Home / 38,656.74-58,248.39-31,790.55

Finding the Fourth Proportional to 38,656.74, 58,248.39 and 31,790.55

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Solution

The fourth proportional to 38,656.74, 58,248.39 and 31,790.55 is: 47,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656.74 : 58,248.39 = 31,790.55 : x
  2. Step 2: Convert to fraction form
    38,656.74/58,248.39 = 31,790.55/x
  3. Step 3: Cross multiply
    38,656.74x = 58,248.39 × 31,790.55
  4. Step 4: Simplify right side
    38,656.74x = 1,851,748,354.71
  5. Step 5: Solve for x
    x = 1,851,748,354.71/38,656.74
  6. Step 6: Final answer
    x = 47,902.34

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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.