Home / 38,648.66-58,236.24-31,782.47

Finding the Fourth Proportional to 38,648.66, 58,236.24 and 31,782.47

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Solution

The fourth proportional to 38,648.66, 58,236.24 and 31,782.47 is: 47,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,648.66 : 58,236.24 = 31,782.47 : x
  2. Step 2: Convert to fraction form
    38,648.66/58,236.24 = 31,782.47/x
  3. Step 3: Cross multiply
    38,648.66x = 58,236.24 × 31,782.47
  4. Step 4: Simplify right side
    38,648.66x = 1,850,891,199.94
  5. Step 5: Solve for x
    x = 1,850,891,199.94/38,648.66
  6. Step 6: Final answer
    x = 47,890.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.