Home / 55,341.72-83,000.34-15,890.04

Finding the Fourth Proportional to 55,341.72, 83,000.34 and 15,890.04

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Solution

The fourth proportional to 55,341.72, 83,000.34 and 15,890.04 is: 23,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.72 : 83,000.34 = 15,890.04 : x
  2. Step 2: Convert to fraction form
    55,341.72/83,000.34 = 15,890.04/x
  3. Step 3: Cross multiply
    55,341.72x = 83,000.34 × 15,890.04
  4. Step 4: Simplify right side
    55,341.72x = 1,318,878,722.61
  5. Step 5: Solve for x
    x = 1,318,878,722.61/55,341.72
  6. Step 6: Final answer
    x = 23,831.55

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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.