Home / 31,535.90-47,250.32-19,029.65

Finding the Fourth Proportional to 31,535.90, 47,250.32 and 19,029.65

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Solution

The fourth proportional to 31,535.90, 47,250.32 and 19,029.65 is: 28,512.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.90 : 47,250.32 = 19,029.65 : x
  2. Step 2: Convert to fraction form
    31,535.90/47,250.32 = 19,029.65/x
  3. Step 3: Cross multiply
    31,535.90x = 47,250.32 × 19,029.65
  4. Step 4: Simplify right side
    31,535.90x = 899,156,720.59
  5. Step 5: Solve for x
    x = 899,156,720.59/31,535.90
  6. Step 6: Final answer
    x = 28,512.17

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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.