Home / 69,246.71-103,849.56-19,314.76

Finding the Fourth Proportional to 69,246.71, 103,849.56 and 19,314.76

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Solution

The fourth proportional to 69,246.71, 103,849.56 and 19,314.76 is: 28,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,246.71 : 103,849.56 = 19,314.76 : x
  2. Step 2: Convert to fraction form
    69,246.71/103,849.56 = 19,314.76/x
  3. Step 3: Cross multiply
    69,246.71x = 103,849.56 × 19,314.76
  4. Step 4: Simplify right side
    69,246.71x = 2,005,829,327.51
  5. Step 5: Solve for x
    x = 2,005,829,327.51/69,246.71
  6. Step 6: Final answer
    x = 28,966.42

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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.