Home / 39,203.62-54,101.45-21,298.91

Finding the Fourth Proportional to 39,203.62, 54,101.45 and 21,298.91

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Solution

The fourth proportional to 39,203.62, 54,101.45 and 21,298.91 is: 29,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203.62 : 54,101.45 = 21,298.91 : x
  2. Step 2: Convert to fraction form
    39,203.62/54,101.45 = 21,298.91/x
  3. Step 3: Cross multiply
    39,203.62x = 54,101.45 × 21,298.91
  4. Step 4: Simplify right side
    39,203.62x = 1,152,301,697.16
  5. Step 5: Solve for x
    x = 1,152,301,697.16/39,203.62
  6. Step 6: Final answer
    x = 29,392.74

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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.