Home / 38,651.60-58,240.67-31,785.41

Finding the Fourth Proportional to 38,651.60, 58,240.67 and 31,785.41

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Solution

The fourth proportional to 38,651.60, 58,240.67 and 31,785.41 is: 47,894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,651.60 : 58,240.67 = 31,785.41 : x
  2. Step 2: Convert to fraction form
    38,651.60/58,240.67 = 31,785.41/x
  3. Step 3: Cross multiply
    38,651.60x = 58,240.67 × 31,785.41
  4. Step 4: Simplify right side
    38,651.60x = 1,851,203,574.62
  5. Step 5: Solve for x
    x = 1,851,203,574.62/38,651.60
  6. Step 6: Final answer
    x = 47,894.62

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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.