Home / 61,515.24-84,904.80-40,282.14

Finding the Fourth Proportional to 61,515.24, 84,904.80 and 40,282.14

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Solution

The fourth proportional to 61,515.24, 84,904.80 and 40,282.14 is: 55,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,515.24 : 84,904.80 = 40,282.14 : x
  2. Step 2: Convert to fraction form
    61,515.24/84,904.80 = 40,282.14/x
  3. Step 3: Cross multiply
    61,515.24x = 84,904.80 × 40,282.14
  4. Step 4: Simplify right side
    61,515.24x = 3,420,147,040.27
  5. Step 5: Solve for x
    x = 3,420,147,040.27/61,515.24
  6. Step 6: Final answer
    x = 55,598.37

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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.