Home / 40,908.30-61,362.45-39,180.30

Finding the Fourth Proportional to 40,908.30, 61,362.45 and 39,180.30

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Solution

The fourth proportional to 40,908.30, 61,362.45 and 39,180.30 is: 58,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,908.30 : 61,362.45 = 39,180.30 : x
  2. Step 2: Convert to fraction form
    40,908.30/61,362.45 = 39,180.30/x
  3. Step 3: Cross multiply
    40,908.30x = 61,362.45 × 39,180.30
  4. Step 4: Simplify right side
    40,908.30x = 2,404,199,199.74
  5. Step 5: Solve for x
    x = 2,404,199,199.74/40,908.30
  6. Step 6: Final answer
    x = 58,770.45

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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.