Home / 42,070.62-63,097.02-15,777.30

Finding the Fourth Proportional to 42,070.62, 63,097.02 and 15,777.30

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Solution

The fourth proportional to 42,070.62, 63,097.02 and 15,777.30 is: 23,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,070.62 : 63,097.02 = 15,777.30 : x
  2. Step 2: Convert to fraction form
    42,070.62/63,097.02 = 15,777.30/x
  3. Step 3: Cross multiply
    42,070.62x = 63,097.02 × 15,777.30
  4. Step 4: Simplify right side
    42,070.62x = 995,500,613.65
  5. Step 5: Solve for x
    x = 995,500,613.65/42,070.62
  6. Step 6: Final answer
    x = 23,662.61

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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.