Home / 43,985.24-66,322.95-40,311.08

Finding the Fourth Proportional to 43,985.24, 66,322.95 and 40,311.08

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Solution

The fourth proportional to 43,985.24, 66,322.95 and 40,311.08 is: 60,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,985.24 : 66,322.95 = 40,311.08 : x
  2. Step 2: Convert to fraction form
    43,985.24/66,322.95 = 40,311.08/x
  3. Step 3: Cross multiply
    43,985.24x = 66,322.95 × 40,311.08
  4. Step 4: Simplify right side
    43,985.24x = 2,673,549,743.29
  5. Step 5: Solve for x
    x = 2,673,549,743.29/43,985.24
  6. Step 6: Final answer
    x = 60,782.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.