Home / 48,590.27-67,031.65-28,434.79

Finding the Fourth Proportional to 48,590.27, 67,031.65 and 28,434.79

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Solution

The fourth proportional to 48,590.27, 67,031.65 and 28,434.79 is: 39,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,590.27 : 67,031.65 = 28,434.79 : x
  2. Step 2: Convert to fraction form
    48,590.27/67,031.65 = 28,434.79/x
  3. Step 3: Cross multiply
    48,590.27x = 67,031.65 × 28,434.79
  4. Step 4: Simplify right side
    48,590.27x = 1,906,030,891.10
  5. Step 5: Solve for x
    x = 1,906,030,891.10/48,590.27
  6. Step 6: Final answer
    x = 39,226.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.