Home / 39,602.04-54,585.72-31,630.20

Finding the Fourth Proportional to 39,602.04, 54,585.72 and 31,630.20

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Solution

The fourth proportional to 39,602.04, 54,585.72 and 31,630.20 is: 43,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,602.04 : 54,585.72 = 31,630.20 : x
  2. Step 2: Convert to fraction form
    39,602.04/54,585.72 = 31,630.20/x
  3. Step 3: Cross multiply
    39,602.04x = 54,585.72 × 31,630.20
  4. Step 4: Simplify right side
    39,602.04x = 1,726,557,240.74
  5. Step 5: Solve for x
    x = 1,726,557,240.74/39,602.04
  6. Step 6: Final answer
    x = 43,597.68

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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.