Home / 61,137.60-91,706.36-40,356.24

Finding the Fourth Proportional to 61,137.60, 91,706.36 and 40,356.24

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Solution

The fourth proportional to 61,137.60, 91,706.36 and 40,356.24 is: 60,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,137.60 : 91,706.36 = 40,356.24 : x
  2. Step 2: Convert to fraction form
    61,137.60/91,706.36 = 40,356.24/x
  3. Step 3: Cross multiply
    61,137.60x = 91,706.36 × 40,356.24
  4. Step 4: Simplify right side
    61,137.60x = 3,700,923,873.69
  5. Step 5: Solve for x
    x = 3,700,923,873.69/61,137.60
  6. Step 6: Final answer
    x = 60,534.33

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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.