Home / 42,974.20-64,461.30-29,852.20

Finding the Fourth Proportional to 42,974.20, 64,461.30 and 29,852.20

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Solution

The fourth proportional to 42,974.20, 64,461.30 and 29,852.20 is: 44,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,974.20 : 64,461.30 = 29,852.20 : x
  2. Step 2: Convert to fraction form
    42,974.20/64,461.30 = 29,852.20/x
  3. Step 3: Cross multiply
    42,974.20x = 64,461.30 × 29,852.20
  4. Step 4: Simplify right side
    42,974.20x = 1,924,311,619.86
  5. Step 5: Solve for x
    x = 1,924,311,619.86/42,974.20
  6. Step 6: Final answer
    x = 44,778.30

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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.