Home / 31,610.19-47,417.10-11,888.91

Finding the Fourth Proportional to 31,610.19, 47,417.10 and 11,888.91

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Solution

The fourth proportional to 31,610.19, 47,417.10 and 11,888.91 is: 17,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.19 : 47,417.10 = 11,888.91 : x
  2. Step 2: Convert to fraction form
    31,610.19/47,417.10 = 11,888.91/x
  3. Step 3: Cross multiply
    31,610.19x = 47,417.10 × 11,888.91
  4. Step 4: Simplify right side
    31,610.19x = 563,737,634.36
  5. Step 5: Solve for x
    x = 563,737,634.36/31,610.19
  6. Step 6: Final answer
    x = 17,834.05

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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.