Home / 39,660.15-59,490.23-30,328.95

Finding the Fourth Proportional to 39,660.15, 59,490.23 and 30,328.95

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Solution

The fourth proportional to 39,660.15, 59,490.23 and 30,328.95 is: 45,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.15 : 59,490.23 = 30,328.95 : x
  2. Step 2: Convert to fraction form
    39,660.15/59,490.23 = 30,328.95/x
  3. Step 3: Cross multiply
    39,660.15x = 59,490.23 × 30,328.95
  4. Step 4: Simplify right side
    39,660.15x = 1,804,276,059.51
  5. Step 5: Solve for x
    x = 1,804,276,059.51/39,660.15
  6. Step 6: Final answer
    x = 45,493.43

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.