Home / 45,670.06-68,543.97-17,987.50

Finding the Fourth Proportional to 45,670.06, 68,543.97 and 17,987.50

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Solution

The fourth proportional to 45,670.06, 68,543.97 and 17,987.50 is: 26,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,670.06 : 68,543.97 = 17,987.50 : x
  2. Step 2: Convert to fraction form
    45,670.06/68,543.97 = 17,987.50/x
  3. Step 3: Cross multiply
    45,670.06x = 68,543.97 × 17,987.50
  4. Step 4: Simplify right side
    45,670.06x = 1,232,934,660.38
  5. Step 5: Solve for x
    x = 1,232,934,660.38/45,670.06
  6. Step 6: Final answer
    x = 26,996.56

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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.