Home / 47,877.12-66,060-29,018.88

Finding the Fourth Proportional to 47,877.12, 66,060 and 29,018.88

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Solution

The fourth proportional to 47,877.12, 66,060 and 29,018.88 is: 40,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,877.12 : 66,060 = 29,018.88 : x
  2. Step 2: Convert to fraction form
    47,877.12/66,060 = 29,018.88/x
  3. Step 3: Cross multiply
    47,877.12x = 66,060 × 29,018.88
  4. Step 4: Simplify right side
    47,877.12x = 1,916,987,212.80
  5. Step 5: Solve for x
    x = 1,916,987,212.80/47,877.12
  6. Step 6: Final answer
    x = 40,039.74

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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.