Home / 38,126.93-52,615.16-21,132.26

Finding the Fourth Proportional to 38,126.93, 52,615.16 and 21,132.26

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Solution

The fourth proportional to 38,126.93, 52,615.16 and 21,132.26 is: 29,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,126.93 : 52,615.16 = 21,132.26 : x
  2. Step 2: Convert to fraction form
    38,126.93/52,615.16 = 21,132.26/x
  3. Step 3: Cross multiply
    38,126.93x = 52,615.16 × 21,132.26
  4. Step 4: Simplify right side
    38,126.93x = 1,111,877,563.71
  5. Step 5: Solve for x
    x = 1,111,877,563.71/38,126.93
  6. Step 6: Final answer
    x = 29,162.53

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.