Home / 40,445.93-60,677.09-15,486.78

Finding the Fourth Proportional to 40,445.93, 60,677.09 and 15,486.78

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Solution

The fourth proportional to 40,445.93, 60,677.09 and 15,486.78 is: 23,233.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.93 : 60,677.09 = 15,486.78 : x
  2. Step 2: Convert to fraction form
    40,445.93/60,677.09 = 15,486.78/x
  3. Step 3: Cross multiply
    40,445.93x = 60,677.09 × 15,486.78
  4. Step 4: Simplify right side
    40,445.93x = 939,692,666.44
  5. Step 5: Solve for x
    x = 939,692,666.44/40,445.93
  6. Step 6: Final answer
    x = 23,233.31

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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.