Home / 42,117.92-63,176.88-12,536.18

Finding the Fourth Proportional to 42,117.92, 63,176.88 and 12,536.18

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Solution

The fourth proportional to 42,117.92, 63,176.88 and 12,536.18 is: 18,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,117.92 : 63,176.88 = 12,536.18 : x
  2. Step 2: Convert to fraction form
    42,117.92/63,176.88 = 12,536.18/x
  3. Step 3: Cross multiply
    42,117.92x = 63,176.88 × 12,536.18
  4. Step 4: Simplify right side
    42,117.92x = 791,996,739.52
  5. Step 5: Solve for x
    x = 791,996,739.52/42,117.92
  6. Step 6: Final answer
    x = 18,804.27

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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.