Home / 45,740.70-68,611.05-42,630.30

Finding the Fourth Proportional to 45,740.70, 68,611.05 and 42,630.30

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Solution

The fourth proportional to 45,740.70, 68,611.05 and 42,630.30 is: 63,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,740.70 : 68,611.05 = 42,630.30 : x
  2. Step 2: Convert to fraction form
    45,740.70/68,611.05 = 42,630.30/x
  3. Step 3: Cross multiply
    45,740.70x = 68,611.05 × 42,630.30
  4. Step 4: Simplify right side
    45,740.70x = 2,924,909,644.82
  5. Step 5: Solve for x
    x = 2,924,909,644.82/45,740.70
  6. Step 6: Final answer
    x = 63,945.45

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Similar ratio
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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.