Home / 42,279.04-63,403.78-14,193.10

Finding the Fourth Proportional to 42,279.04, 63,403.78 and 14,193.10

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Solution

The fourth proportional to 42,279.04, 63,403.78 and 14,193.10 is: 21,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,279.04 : 63,403.78 = 14,193.10 : x
  2. Step 2: Convert to fraction form
    42,279.04/63,403.78 = 14,193.10/x
  3. Step 3: Cross multiply
    42,279.04x = 63,403.78 × 14,193.10
  4. Step 4: Simplify right side
    42,279.04x = 899,896,189.92
  5. Step 5: Solve for x
    x = 899,896,189.92/42,279.04
  6. Step 6: Final answer
    x = 21,284.69

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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.