Home / 47,340.64-70,962.96-30,711.28

Finding the Fourth Proportional to 47,340.64, 70,962.96 and 30,711.28

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Solution

The fourth proportional to 47,340.64, 70,962.96 and 30,711.28 is: 46,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,340.64 : 70,962.96 = 30,711.28 : x
  2. Step 2: Convert to fraction form
    47,340.64/70,962.96 = 30,711.28/x
  3. Step 3: Cross multiply
    47,340.64x = 70,962.96 × 30,711.28
  4. Step 4: Simplify right side
    47,340.64x = 2,179,363,334.19
  5. Step 5: Solve for x
    x = 2,179,363,334.19/47,340.64
  6. Step 6: Final answer
    x = 46,035.78

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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.