Home / 45,788.90-63,146.49-31,423.38

Finding the Fourth Proportional to 45,788.90, 63,146.49 and 31,423.38

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Solution

The fourth proportional to 45,788.90, 63,146.49 and 31,423.38 is: 43,335.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,788.90 : 63,146.49 = 31,423.38 : x
  2. Step 2: Convert to fraction form
    45,788.90/63,146.49 = 31,423.38/x
  3. Step 3: Cross multiply
    45,788.90x = 63,146.49 × 31,423.38
  4. Step 4: Simplify right side
    45,788.90x = 1,984,275,796.30
  5. Step 5: Solve for x
    x = 1,984,275,796.30/45,788.90
  6. Step 6: Final answer
    x = 43,335.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.