Home / 42,339.41-63,509.23-14,279.18

Finding the Fourth Proportional to 42,339.41, 63,509.23 and 14,279.18

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Solution

The fourth proportional to 42,339.41, 63,509.23 and 14,279.18 is: 21,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,339.41 : 63,509.23 = 14,279.18 : x
  2. Step 2: Convert to fraction form
    42,339.41/63,509.23 = 14,279.18/x
  3. Step 3: Cross multiply
    42,339.41x = 63,509.23 × 14,279.18
  4. Step 4: Simplify right side
    42,339.41x = 906,859,428.29
  5. Step 5: Solve for x
    x = 906,859,428.29/42,339.41
  6. Step 6: Final answer
    x = 21,418.80

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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.