Home / 38,255.93-52,792.16-21,259.76

Finding the Fourth Proportional to 38,255.93, 52,792.16 and 21,259.76

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Solution

The fourth proportional to 38,255.93, 52,792.16 and 21,259.76 is: 29,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.93 : 52,792.16 = 21,259.76 : x
  2. Step 2: Convert to fraction form
    38,255.93/52,792.16 = 21,259.76/x
  3. Step 3: Cross multiply
    38,255.93x = 52,792.16 × 21,259.76
  4. Step 4: Simplify right side
    38,255.93x = 1,122,348,281.22
  5. Step 5: Solve for x
    x = 1,122,348,281.22/38,255.93
  6. Step 6: Final answer
    x = 29,337.89

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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.