Home / 40,515.60-60,643.80-37,405.20

Finding the Fourth Proportional to 40,515.60, 60,643.80 and 37,405.20

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Solution

The fourth proportional to 40,515.60, 60,643.80 and 37,405.20 is: 55,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,515.60 : 60,643.80 = 37,405.20 : x
  2. Step 2: Convert to fraction form
    40,515.60/60,643.80 = 37,405.20/x
  3. Step 3: Cross multiply
    40,515.60x = 60,643.80 × 37,405.20
  4. Step 4: Simplify right side
    40,515.60x = 2,268,393,467.76
  5. Step 5: Solve for x
    x = 2,268,393,467.76/40,515.60
  6. Step 6: Final answer
    x = 55,988.15

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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.