Home / 40,901.80-61,331.10-14,607.40

Finding the Fourth Proportional to 40,901.80, 61,331.10 and 14,607.40

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Solution

The fourth proportional to 40,901.80, 61,331.10 and 14,607.40 is: 21,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,901.80 : 61,331.10 = 14,607.40 : x
  2. Step 2: Convert to fraction form
    40,901.80/61,331.10 = 14,607.40/x
  3. Step 3: Cross multiply
    40,901.80x = 61,331.10 × 14,607.40
  4. Step 4: Simplify right side
    40,901.80x = 895,887,910.14
  5. Step 5: Solve for x
    x = 895,887,910.14/40,901.80
  6. Step 6: Final answer
    x = 21,903.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.