Home / 42,193.70-63,235.19-31,048.20

Finding the Fourth Proportional to 42,193.70, 63,235.19 and 31,048.20

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Solution

The fourth proportional to 42,193.70, 63,235.19 and 31,048.20 is: 46,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,193.70 : 63,235.19 = 31,048.20 : x
  2. Step 2: Convert to fraction form
    42,193.70/63,235.19 = 31,048.20/x
  3. Step 3: Cross multiply
    42,193.70x = 63,235.19 × 31,048.20
  4. Step 4: Simplify right side
    42,193.70x = 1,963,338,670.92
  5. Step 5: Solve for x
    x = 1,963,338,670.92/42,193.70
  6. Step 6: Final answer
    x = 46,531.56

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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.