Home / 55,337.30-82,992.45-15,890.30

Finding the Fourth Proportional to 55,337.30, 82,992.45 and 15,890.30

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Solution

The fourth proportional to 55,337.30, 82,992.45 and 15,890.30 is: 23,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,337.30 : 82,992.45 = 15,890.30 : x
  2. Step 2: Convert to fraction form
    55,337.30/82,992.45 = 15,890.30/x
  3. Step 3: Cross multiply
    55,337.30x = 82,992.45 × 15,890.30
  4. Step 4: Simplify right side
    55,337.30x = 1,318,774,928.24
  5. Step 5: Solve for x
    x = 1,318,774,928.24/55,337.30
  6. Step 6: Final answer
    x = 23,831.57

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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.