Home / 31,344.57-47,015.20-10,281.84

Finding the Fourth Proportional to 31,344.57, 47,015.20 and 10,281.84

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Solution

The fourth proportional to 31,344.57, 47,015.20 and 10,281.84 is: 15,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.57 : 47,015.20 = 10,281.84 : x
  2. Step 2: Convert to fraction form
    31,344.57/47,015.20 = 10,281.84/x
  3. Step 3: Cross multiply
    31,344.57x = 47,015.20 × 10,281.84
  4. Step 4: Simplify right side
    31,344.57x = 483,402,557.14
  5. Step 5: Solve for x
    x = 483,402,557.14/31,344.57
  6. Step 6: Final answer
    x = 15,422.21

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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.