Home / 43,407.91-65,437.21-40,514.57

Finding the Fourth Proportional to 43,407.91, 65,437.21 and 40,514.57

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Solution

The fourth proportional to 43,407.91, 65,437.21 and 40,514.57 is: 61,075.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,407.91 : 65,437.21 = 40,514.57 : x
  2. Step 2: Convert to fraction form
    43,407.91/65,437.21 = 40,514.57/x
  3. Step 3: Cross multiply
    43,407.91x = 65,437.21 × 40,514.57
  4. Step 4: Simplify right side
    43,407.91x = 2,651,160,425.15
  5. Step 5: Solve for x
    x = 2,651,160,425.15/43,407.91
  6. Step 6: Final answer
    x = 61,075.51

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1.5x scale

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.