Home / 58,339.82-80,400.12-40,403.18

Finding the Fourth Proportional to 58,339.82, 80,400.12 and 40,403.18

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Solution

The fourth proportional to 58,339.82, 80,400.12 and 40,403.18 is: 55,681.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,339.82 : 80,400.12 = 40,403.18 : x
  2. Step 2: Convert to fraction form
    58,339.82/80,400.12 = 40,403.18/x
  3. Step 3: Cross multiply
    58,339.82x = 80,400.12 × 40,403.18
  4. Step 4: Simplify right side
    58,339.82x = 3,248,420,520.38
  5. Step 5: Solve for x
    x = 3,248,420,520.38/58,339.82
  6. Step 6: Final answer
    x = 55,681.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.