Home / 32,721.30-45,155.61-18,574.38

Finding the Fourth Proportional to 32,721.30, 45,155.61 and 18,574.38

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Solution

The fourth proportional to 32,721.30, 45,155.61 and 18,574.38 is: 25,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,721.30 : 45,155.61 = 18,574.38 : x
  2. Step 2: Convert to fraction form
    32,721.30/45,155.61 = 18,574.38/x
  3. Step 3: Cross multiply
    32,721.30x = 45,155.61 × 18,574.38
  4. Step 4: Simplify right side
    32,721.30x = 838,737,459.27
  5. Step 5: Solve for x
    x = 838,737,459.27/32,721.30
  6. Step 6: Final answer
    x = 25,632.77

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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.