Home / 56,180.36-77,560.02-38,301.63

Finding the Fourth Proportional to 56,180.36, 77,560.02 and 38,301.63

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Solution

The fourth proportional to 56,180.36, 77,560.02 and 38,301.63 is: 52,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,180.36 : 77,560.02 = 38,301.63 : x
  2. Step 2: Convert to fraction form
    56,180.36/77,560.02 = 38,301.63/x
  3. Step 3: Cross multiply
    56,180.36x = 77,560.02 × 38,301.63
  4. Step 4: Simplify right side
    56,180.36x = 2,970,675,188.83
  5. Step 5: Solve for x
    x = 2,970,675,188.83/56,180.36
  6. Step 6: Final answer
    x = 52,877.47

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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.