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Finding the Fourth Proportional to 30,545.92, 45,804.40 and 11,834.72

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Solution

The fourth proportional to 30,545.92, 45,804.40 and 11,834.72 is: 17,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545.92 : 45,804.40 = 11,834.72 : x
  2. Step 2: Convert to fraction form
    30,545.92/45,804.40 = 11,834.72/x
  3. Step 3: Cross multiply
    30,545.92x = 45,804.40 × 11,834.72
  4. Step 4: Simplify right side
    30,545.92x = 542,082,248.77
  5. Step 5: Solve for x
    x = 542,082,248.77/30,545.92
  6. Step 6: Final answer
    x = 17,746.47

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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.