Home / 47,377.60-70,972.80-30,749.20

Finding the Fourth Proportional to 47,377.60, 70,972.80 and 30,749.20

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Solution

The fourth proportional to 47,377.60, 70,972.80 and 30,749.20 is: 46,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,377.60 : 70,972.80 = 30,749.20 : x
  2. Step 2: Convert to fraction form
    47,377.60/70,972.80 = 30,749.20/x
  3. Step 3: Cross multiply
    47,377.60x = 70,972.80 × 30,749.20
  4. Step 4: Simplify right side
    47,377.60x = 2,182,356,821.76
  5. Step 5: Solve for x
    x = 2,182,356,821.76/47,377.60
  6. Step 6: Final answer
    x = 46,063.05

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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.