Home / 29,191.59-43,780.30-13,386.74

Finding the Fourth Proportional to 29,191.59, 43,780.30 and 13,386.74

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Solution

The fourth proportional to 29,191.59, 43,780.30 and 13,386.74 is: 20,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191.59 : 43,780.30 = 13,386.74 : x
  2. Step 2: Convert to fraction form
    29,191.59/43,780.30 = 13,386.74/x
  3. Step 3: Cross multiply
    29,191.59x = 43,780.30 × 13,386.74
  4. Step 4: Simplify right side
    29,191.59x = 586,075,240.85
  5. Step 5: Solve for x
    x = 586,075,240.85/29,191.59
  6. Step 6: Final answer
    x = 20,076.85

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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.