Home / 32,139.88-44,374.95-20,045.07

Finding the Fourth Proportional to 32,139.88, 44,374.95 and 20,045.07

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Solution

The fourth proportional to 32,139.88, 44,374.95 and 20,045.07 is: 27,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,139.88 : 44,374.95 = 20,045.07 : x
  2. Step 2: Convert to fraction form
    32,139.88/44,374.95 = 20,045.07/x
  3. Step 3: Cross multiply
    32,139.88x = 44,374.95 × 20,045.07
  4. Step 4: Simplify right side
    32,139.88x = 889,498,979.00
  5. Step 5: Solve for x
    x = 889,498,979.00/32,139.88
  6. Step 6: Final answer
    x = 27,675.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.