Home / 39,267.93-54,188.51-21,362.48

Finding the Fourth Proportional to 39,267.93, 54,188.51 and 21,362.48

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Solution

The fourth proportional to 39,267.93, 54,188.51 and 21,362.48 is: 29,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,267.93 : 54,188.51 = 21,362.48 : x
  2. Step 2: Convert to fraction form
    39,267.93/54,188.51 = 21,362.48/x
  3. Step 3: Cross multiply
    39,267.93x = 54,188.51 × 21,362.48
  4. Step 4: Simplify right side
    39,267.93x = 1,157,600,961.10
  5. Step 5: Solve for x
    x = 1,157,600,961.10/39,267.93
  6. Step 6: Final answer
    x = 29,479.55

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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.