Home / 31,423.74-47,125.59-10,359.85

Finding the Fourth Proportional to 31,423.74, 47,125.59 and 10,359.85

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Solution

The fourth proportional to 31,423.74, 47,125.59 and 10,359.85 is: 15,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.74 : 47,125.59 = 10,359.85 : x
  2. Step 2: Convert to fraction form
    31,423.74/47,125.59 = 10,359.85/x
  3. Step 3: Cross multiply
    31,423.74x = 47,125.59 × 10,359.85
  4. Step 4: Simplify right side
    31,423.74x = 488,213,991.76
  5. Step 5: Solve for x
    x = 488,213,991.76/31,423.74
  6. Step 6: Final answer
    x = 15,536.47

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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.