Home / 31,645.18-47,474.25-10,587.34

Finding the Fourth Proportional to 31,645.18, 47,474.25 and 10,587.34

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Solution

The fourth proportional to 31,645.18, 47,474.25 and 10,587.34 is: 15,883.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,645.18 : 47,474.25 = 10,587.34 : x
  2. Step 2: Convert to fraction form
    31,645.18/47,474.25 = 10,587.34/x
  3. Step 3: Cross multiply
    31,645.18x = 47,474.25 × 10,587.34
  4. Step 4: Simplify right side
    31,645.18x = 502,626,026.00
  5. Step 5: Solve for x
    x = 502,626,026.00/31,645.18
  6. Step 6: Final answer
    x = 15,883.18

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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.