Home / 42,310.29-63,470.88-14,218.23

Finding the Fourth Proportional to 42,310.29, 63,470.88 and 14,218.23

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Solution

The fourth proportional to 42,310.29, 63,470.88 and 14,218.23 is: 21,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,310.29 : 63,470.88 = 14,218.23 : x
  2. Step 2: Convert to fraction form
    42,310.29/63,470.88 = 14,218.23/x
  3. Step 3: Cross multiply
    42,310.29x = 63,470.88 × 14,218.23
  4. Step 4: Simplify right side
    42,310.29x = 902,443,570.14
  5. Step 5: Solve for x
    x = 902,443,570.14/42,310.29
  6. Step 6: Final answer
    x = 21,329.17

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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.