Home / 31,436.21-47,125.02-21,580.13

Finding the Fourth Proportional to 31,436.21, 47,125.02 and 21,580.13

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Solution

The fourth proportional to 31,436.21, 47,125.02 and 21,580.13 is: 32,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,436.21 : 47,125.02 = 21,580.13 : x
  2. Step 2: Convert to fraction form
    31,436.21/47,125.02 = 21,580.13/x
  3. Step 3: Cross multiply
    31,436.21x = 47,125.02 × 21,580.13
  4. Step 4: Simplify right side
    31,436.21x = 1,016,964,057.85
  5. Step 5: Solve for x
    x = 1,016,964,057.85/31,436.21
  6. Step 6: Final answer
    x = 32,350.08

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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.