Home / 31,562.98-47,338.89-10,500.91

Finding the Fourth Proportional to 31,562.98, 47,338.89 and 10,500.91

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Solution

The fourth proportional to 31,562.98, 47,338.89 and 10,500.91 is: 15,749.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,562.98 : 47,338.89 = 10,500.91 : x
  2. Step 2: Convert to fraction form
    31,562.98/47,338.89 = 10,500.91/x
  3. Step 3: Cross multiply
    31,562.98x = 47,338.89 × 10,500.91
  4. Step 4: Simplify right side
    31,562.98x = 497,101,423.39
  5. Step 5: Solve for x
    x = 497,101,423.39/31,562.98
  6. Step 6: Final answer
    x = 15,749.51

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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.