Home / 61,130.32-84,366.75-40,711.25

Finding the Fourth Proportional to 61,130.32, 84,366.75 and 40,711.25

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Solution

The fourth proportional to 61,130.32, 84,366.75 and 40,711.25 is: 56,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,130.32 : 84,366.75 = 40,711.25 : x
  2. Step 2: Convert to fraction form
    61,130.32/84,366.75 = 40,711.25/x
  3. Step 3: Cross multiply
    61,130.32x = 84,366.75 × 40,711.25
  4. Step 4: Simplify right side
    61,130.32x = 3,434,675,850.94
  5. Step 5: Solve for x
    x = 3,434,675,850.94/61,130.32
  6. Step 6: Final answer
    x = 56,186.13

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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.