Home / 31,437.99-47,156.91-9,251.34

Finding the Fourth Proportional to 31,437.99, 47,156.91 and 9,251.34

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Solution

The fourth proportional to 31,437.99, 47,156.91 and 9,251.34 is: 13,876.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.99 : 47,156.91 = 9,251.34 : x
  2. Step 2: Convert to fraction form
    31,437.99/47,156.91 = 9,251.34/x
  3. Step 3: Cross multiply
    31,437.99x = 47,156.91 × 9,251.34
  4. Step 4: Simplify right side
    31,437.99x = 436,264,607.76
  5. Step 5: Solve for x
    x = 436,264,607.76/31,437.99
  6. Step 6: Final answer
    x = 13,876.99

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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.