Home / 38,474.75-53,117.24-29,328.32

Finding the Fourth Proportional to 38,474.75, 53,117.24 and 29,328.32

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Solution

The fourth proportional to 38,474.75, 53,117.24 and 29,328.32 is: 40,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,474.75 : 53,117.24 = 29,328.32 : x
  2. Step 2: Convert to fraction form
    38,474.75/53,117.24 = 29,328.32/x
  3. Step 3: Cross multiply
    38,474.75x = 53,117.24 × 29,328.32
  4. Step 4: Simplify right side
    38,474.75x = 1,557,839,000.01
  5. Step 5: Solve for x
    x = 1,557,839,000.01/38,474.75
  6. Step 6: Final answer
    x = 40,489.91

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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.