Home / 52,291.91-72,159.90-28,418.43

Finding the Fourth Proportional to 52,291.91, 72,159.90 and 28,418.43

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Solution

The fourth proportional to 52,291.91, 72,159.90 and 28,418.43 is: 39,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.91 : 72,159.90 = 28,418.43 : x
  2. Step 2: Convert to fraction form
    52,291.91/72,159.90 = 28,418.43/x
  3. Step 3: Cross multiply
    52,291.91x = 72,159.90 × 28,418.43
  4. Step 4: Simplify right side
    52,291.91x = 2,050,671,066.96
  5. Step 5: Solve for x
    x = 2,050,671,066.96/52,291.91
  6. Step 6: Final answer
    x = 39,215.84

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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.