Home / 42,195.48-63,293.52-12,613.58

Finding the Fourth Proportional to 42,195.48, 63,293.52 and 12,613.58

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Solution

The fourth proportional to 42,195.48, 63,293.52 and 12,613.58 is: 18,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,195.48 : 63,293.52 = 12,613.58 : x
  2. Step 2: Convert to fraction form
    42,195.48/63,293.52 = 12,613.58/x
  3. Step 3: Cross multiply
    42,195.48x = 63,293.52 × 12,613.58
  4. Step 4: Simplify right side
    42,195.48x = 798,357,561.53
  5. Step 5: Solve for x
    x = 798,357,561.53/42,195.48
  6. Step 6: Final answer
    x = 18,920.45

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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.