Home / 38,310.48-52,865.04-21,314.16

Finding the Fourth Proportional to 38,310.48, 52,865.04 and 21,314.16

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Solution

The fourth proportional to 38,310.48, 52,865.04 and 21,314.16 is: 29,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310.48 : 52,865.04 = 21,314.16 : x
  2. Step 2: Convert to fraction form
    38,310.48/52,865.04 = 21,314.16/x
  3. Step 3: Cross multiply
    38,310.48x = 52,865.04 × 21,314.16
  4. Step 4: Simplify right side
    38,310.48x = 1,126,773,920.97
  5. Step 5: Solve for x
    x = 1,126,773,920.97/38,310.48
  6. Step 6: Final answer
    x = 29,411.64

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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.