Home / 40,488.04-60,737.13-21,742.30

Finding the Fourth Proportional to 40,488.04, 60,737.13 and 21,742.30

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Solution

The fourth proportional to 40,488.04, 60,737.13 and 21,742.30 is: 32,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,488.04 : 60,737.13 = 21,742.30 : x
  2. Step 2: Convert to fraction form
    40,488.04/60,737.13 = 21,742.30/x
  3. Step 3: Cross multiply
    40,488.04x = 60,737.13 × 21,742.30
  4. Step 4: Simplify right side
    40,488.04x = 1,320,564,901.60
  5. Step 5: Solve for x
    x = 1,320,564,901.60/40,488.04
  6. Step 6: Final answer
    x = 32,616.17

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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.