Home / 64,424.25-88,915.19-39,288.33

Finding the Fourth Proportional to 64,424.25, 88,915.19 and 39,288.33

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Solution

The fourth proportional to 64,424.25, 88,915.19 and 39,288.33 is: 54,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,424.25 : 88,915.19 = 39,288.33 : x
  2. Step 2: Convert to fraction form
    64,424.25/88,915.19 = 39,288.33/x
  3. Step 3: Cross multiply
    64,424.25x = 88,915.19 × 39,288.33
  4. Step 4: Simplify right side
    64,424.25x = 3,493,329,130.29
  5. Step 5: Solve for x
    x = 3,493,329,130.29/64,424.25
  6. Step 6: Final answer
    x = 54,223.82

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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.