Home / 42,445.91-63,668.63-10,855.92

Finding the Fourth Proportional to 42,445.91, 63,668.63 and 10,855.92

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Solution

The fourth proportional to 42,445.91, 63,668.63 and 10,855.92 is: 16,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,445.91 : 63,668.63 = 10,855.92 : x
  2. Step 2: Convert to fraction form
    42,445.91/63,668.63 = 10,855.92/x
  3. Step 3: Cross multiply
    42,445.91x = 63,668.63 × 10,855.92
  4. Step 4: Simplify right side
    42,445.91x = 691,181,301.46
  5. Step 5: Solve for x
    x = 691,181,301.46/42,445.91
  6. Step 6: Final answer
    x = 16,283.81

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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.