Home / 61,286.45-84,585.15-57,284.24

Finding the Fourth Proportional to 61,286.45, 84,585.15 and 57,284.24

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Solution

The fourth proportional to 61,286.45, 84,585.15 and 57,284.24 is: 79,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,286.45 : 84,585.15 = 57,284.24 : x
  2. Step 2: Convert to fraction form
    61,286.45/84,585.15 = 57,284.24/x
  3. Step 3: Cross multiply
    61,286.45x = 84,585.15 × 57,284.24
  4. Step 4: Simplify right side
    61,286.45x = 4,845,395,746.61
  5. Step 5: Solve for x
    x = 4,845,395,746.61/61,286.45
  6. Step 6: Final answer
    x = 79,061.45

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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.