Home / 43,545.52-65,328.54-12,381.04

Finding the Fourth Proportional to 43,545.52, 65,328.54 and 12,381.04

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Solution

The fourth proportional to 43,545.52, 65,328.54 and 12,381.04 is: 18,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,545.52 : 65,328.54 = 12,381.04 : x
  2. Step 2: Convert to fraction form
    43,545.52/65,328.54 = 12,381.04/x
  3. Step 3: Cross multiply
    43,545.52x = 65,328.54 × 12,381.04
  4. Step 4: Simplify right side
    43,545.52x = 808,835,266.88
  5. Step 5: Solve for x
    x = 808,835,266.88/43,545.52
  6. Step 6: Final answer
    x = 18,574.48

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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.