Home / 71,659.28-107,491.35-19,068.81

Finding the Fourth Proportional to 71,659.28, 107,491.35 and 19,068.81

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Solution

The fourth proportional to 71,659.28, 107,491.35 and 19,068.81 is: 28,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,659.28 : 107,491.35 = 19,068.81 : x
  2. Step 2: Convert to fraction form
    71,659.28/107,491.35 = 19,068.81/x
  3. Step 3: Cross multiply
    71,659.28x = 107,491.35 × 19,068.81
  4. Step 4: Simplify right side
    71,659.28x = 2,049,732,461.38
  5. Step 5: Solve for x
    x = 2,049,732,461.38/71,659.28
  6. Step 6: Final answer
    x = 28,603.87

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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.