Home / 39,643.90-54,737.28-25,521.34

Finding the Fourth Proportional to 39,643.90, 54,737.28 and 25,521.34

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Solution

The fourth proportional to 39,643.90, 54,737.28 and 25,521.34 is: 35,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,643.90 : 54,737.28 = 25,521.34 : x
  2. Step 2: Convert to fraction form
    39,643.90/54,737.28 = 25,521.34/x
  3. Step 3: Cross multiply
    39,643.90x = 54,737.28 × 25,521.34
  4. Step 4: Simplify right side
    39,643.90x = 1,396,968,733.56
  5. Step 5: Solve for x
    x = 1,396,968,733.56/39,643.90
  6. Step 6: Final answer
    x = 35,237.92

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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.