Home / 48,212.04-72,315.90-13,151.58

Finding the Fourth Proportional to 48,212.04, 72,315.90 and 13,151.58

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Solution

The fourth proportional to 48,212.04, 72,315.90 and 13,151.58 is: 19,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,212.04 : 72,315.90 = 13,151.58 : x
  2. Step 2: Convert to fraction form
    48,212.04/72,315.90 = 13,151.58/x
  3. Step 3: Cross multiply
    48,212.04x = 72,315.90 × 13,151.58
  4. Step 4: Simplify right side
    48,212.04x = 951,068,344.12
  5. Step 5: Solve for x
    x = 951,068,344.12/48,212.04
  6. Step 6: Final answer
    x = 19,726.78

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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.