Home / 31,539.12-47,255.13-19,032.87

Finding the Fourth Proportional to 31,539.12, 47,255.13 and 19,032.87

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Solution

The fourth proportional to 31,539.12, 47,255.13 and 19,032.87 is: 28,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539.12 : 47,255.13 = 19,032.87 : x
  2. Step 2: Convert to fraction form
    31,539.12/47,255.13 = 19,032.87/x
  3. Step 3: Cross multiply
    31,539.12x = 47,255.13 × 19,032.87
  4. Step 4: Simplify right side
    31,539.12x = 899,400,521.33
  5. Step 5: Solve for x
    x = 899,400,521.33/31,539.12
  6. Step 6: Final answer
    x = 28,516.98

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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.