Home / 45,400.60-67,971.30-27,904.60

Finding the Fourth Proportional to 45,400.60, 67,971.30 and 27,904.60

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Solution

The fourth proportional to 45,400.60, 67,971.30 and 27,904.60 is: 41,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,400.60 : 67,971.30 = 27,904.60 : x
  2. Step 2: Convert to fraction form
    45,400.60/67,971.30 = 27,904.60/x
  3. Step 3: Cross multiply
    45,400.60x = 67,971.30 × 27,904.60
  4. Step 4: Simplify right side
    45,400.60x = 1,896,711,937.98
  5. Step 5: Solve for x
    x = 1,896,711,937.98/45,400.60
  6. Step 6: Final answer
    x = 41,777.24

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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.