Home / 61,066.80-91,601.40-40,140.24

Finding the Fourth Proportional to 61,066.80, 91,601.40 and 40,140.24

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Solution

The fourth proportional to 61,066.80, 91,601.40 and 40,140.24 is: 60,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,066.80 : 91,601.40 = 40,140.24 : x
  2. Step 2: Convert to fraction form
    61,066.80/91,601.40 = 40,140.24/x
  3. Step 3: Cross multiply
    61,066.80x = 91,601.40 × 40,140.24
  4. Step 4: Simplify right side
    61,066.80x = 3,676,902,180.34
  5. Step 5: Solve for x
    x = 3,676,902,180.34/61,066.80
  6. Step 6: Final answer
    x = 60,211.15

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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.