Home / 31,423.64-47,124.30-10,358.60

Finding the Fourth Proportional to 31,423.64, 47,124.30 and 10,358.60

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Solution

The fourth proportional to 31,423.64, 47,124.30 and 10,358.60 is: 15,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.64 : 47,124.30 = 10,358.60 : x
  2. Step 2: Convert to fraction form
    31,423.64/47,124.30 = 10,358.60/x
  3. Step 3: Cross multiply
    31,423.64x = 47,124.30 × 10,358.60
  4. Step 4: Simplify right side
    31,423.64x = 488,141,773.98
  5. Step 5: Solve for x
    x = 488,141,773.98/31,423.64
  6. Step 6: Final answer
    x = 15,534.22

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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.