Home / 31,610.12-47,417.61-11,888.24

Finding the Fourth Proportional to 31,610.12, 47,417.61 and 11,888.24

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Solution

The fourth proportional to 31,610.12, 47,417.61 and 11,888.24 is: 17,833.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.12 : 47,417.61 = 11,888.24 : x
  2. Step 2: Convert to fraction form
    31,610.12/47,417.61 = 11,888.24/x
  3. Step 3: Cross multiply
    31,610.12x = 47,417.61 × 11,888.24
  4. Step 4: Simplify right side
    31,610.12x = 563,711,927.91
  5. Step 5: Solve for x
    x = 563,711,927.91/31,610.12
  6. Step 6: Final answer
    x = 17,833.27

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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.