Home / 31,818.90-47,727.90-10,754.45

Finding the Fourth Proportional to 31,818.90, 47,727.90 and 10,754.45

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Solution

The fourth proportional to 31,818.90, 47,727.90 and 10,754.45 is: 16,131.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818.90 : 47,727.90 = 10,754.45 : x
  2. Step 2: Convert to fraction form
    31,818.90/47,727.90 = 10,754.45/x
  3. Step 3: Cross multiply
    31,818.90x = 47,727.90 × 10,754.45
  4. Step 4: Simplify right side
    31,818.90x = 513,287,314.16
  5. Step 5: Solve for x
    x = 513,287,314.16/31,818.90
  6. Step 6: Final answer
    x = 16,131.52

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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.