Home / 60,307.45-90,470.09-20,853.97

Finding the Fourth Proportional to 60,307.45, 90,470.09 and 20,853.97

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Solution

The fourth proportional to 60,307.45, 90,470.09 and 20,853.97 is: 31,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,307.45 : 90,470.09 = 20,853.97 : x
  2. Step 2: Convert to fraction form
    60,307.45/90,470.09 = 20,853.97/x
  3. Step 3: Cross multiply
    60,307.45x = 90,470.09 × 20,853.97
  4. Step 4: Simplify right side
    60,307.45x = 1,886,660,438.49
  5. Step 5: Solve for x
    x = 1,886,660,438.49/60,307.45
  6. Step 6: Final answer
    x = 31,284.04

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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.