Home / 45,320.34-67,987.40-23,121.59

Finding the Fourth Proportional to 45,320.34, 67,987.40 and 23,121.59

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Solution

The fourth proportional to 45,320.34, 67,987.40 and 23,121.59 is: 34,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,320.34 : 67,987.40 = 23,121.59 : x
  2. Step 2: Convert to fraction form
    45,320.34/67,987.40 = 23,121.59/x
  3. Step 3: Cross multiply
    45,320.34x = 67,987.40 × 23,121.59
  4. Step 4: Simplify right side
    45,320.34x = 1,571,976,787.97
  5. Step 5: Solve for x
    x = 1,571,976,787.97/45,320.34
  6. Step 6: Final answer
    x = 34,685.90

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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.