Home / 38,346.60-57,454.20-30,473.40

Finding the Fourth Proportional to 38,346.60, 57,454.20 and 30,473.40

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Solution

The fourth proportional to 38,346.60, 57,454.20 and 30,473.40 is: 45,657.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,346.60 : 57,454.20 = 30,473.40 : x
  2. Step 2: Convert to fraction form
    38,346.60/57,454.20 = 30,473.40/x
  3. Step 3: Cross multiply
    38,346.60x = 57,454.20 × 30,473.40
  4. Step 4: Simplify right side
    38,346.60x = 1,750,824,818.28
  5. Step 5: Solve for x
    x = 1,750,824,818.28/38,346.60
  6. Step 6: Final answer
    x = 45,657.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.