Home / 42,526.80-63,812.16-20,335.68

Finding the Fourth Proportional to 42,526.80, 63,812.16 and 20,335.68

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Solution

The fourth proportional to 42,526.80, 63,812.16 and 20,335.68 is: 30,514.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,526.80 : 63,812.16 = 20,335.68 : x
  2. Step 2: Convert to fraction form
    42,526.80/63,812.16 = 20,335.68/x
  3. Step 3: Cross multiply
    42,526.80x = 63,812.16 × 20,335.68
  4. Step 4: Simplify right side
    42,526.80x = 1,297,663,665.87
  5. Step 5: Solve for x
    x = 1,297,663,665.87/42,526.80
  6. Step 6: Final answer
    x = 30,514.02

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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.