Home / 40,663.81-60,971.62-12,575.55

Finding the Fourth Proportional to 40,663.81, 60,971.62 and 12,575.55

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Solution

The fourth proportional to 40,663.81, 60,971.62 and 12,575.55 is: 18,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,663.81 : 60,971.62 = 12,575.55 : x
  2. Step 2: Convert to fraction form
    40,663.81/60,971.62 = 12,575.55/x
  3. Step 3: Cross multiply
    40,663.81x = 60,971.62 × 12,575.55
  4. Step 4: Simplify right side
    40,663.81x = 766,751,655.89
  5. Step 5: Solve for x
    x = 766,751,655.89/40,663.81
  6. Step 6: Final answer
    x = 18,855.87

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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.