Home / 56,402.40-77,859.33-38,009.55

Finding the Fourth Proportional to 56,402.40, 77,859.33 and 38,009.55

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Solution

The fourth proportional to 56,402.40, 77,859.33 and 38,009.55 is: 52,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,402.40 : 77,859.33 = 38,009.55 : x
  2. Step 2: Convert to fraction form
    56,402.40/77,859.33 = 38,009.55/x
  3. Step 3: Cross multiply
    56,402.40x = 77,859.33 × 38,009.55
  4. Step 4: Simplify right side
    56,402.40x = 2,959,398,096.60
  5. Step 5: Solve for x
    x = 2,959,398,096.60/56,402.40
  6. Step 6: Final answer
    x = 52,469.36

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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.