Home / 43,008.40-64,501.80-15,299.92

Finding the Fourth Proportional to 43,008.40, 64,501.80 and 15,299.92

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Solution

The fourth proportional to 43,008.40, 64,501.80 and 15,299.92 is: 22,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,008.40 : 64,501.80 = 15,299.92 : x
  2. Step 2: Convert to fraction form
    43,008.40/64,501.80 = 15,299.92/x
  3. Step 3: Cross multiply
    43,008.40x = 64,501.80 × 15,299.92
  4. Step 4: Simplify right side
    43,008.40x = 986,872,379.86
  5. Step 5: Solve for x
    x = 986,872,379.86/43,008.40
  6. Step 6: Final answer
    x = 22,946.04

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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.