Home / 60,574.06-90,876.21-21,131.50

Finding the Fourth Proportional to 60,574.06, 90,876.21 and 21,131.50

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Solution

The fourth proportional to 60,574.06, 90,876.21 and 21,131.50 is: 31,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,574.06 : 90,876.21 = 21,131.50 : x
  2. Step 2: Convert to fraction form
    60,574.06/90,876.21 = 21,131.50/x
  3. Step 3: Cross multiply
    60,574.06x = 90,876.21 × 21,131.50
  4. Step 4: Simplify right side
    60,574.06x = 1,920,350,631.62
  5. Step 5: Solve for x
    x = 1,920,350,631.62/60,574.06
  6. Step 6: Final answer
    x = 31,702.52

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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.