Home / 39,752.37-54,859.68-21,848.13

Finding the Fourth Proportional to 39,752.37, 54,859.68 and 21,848.13

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Solution

The fourth proportional to 39,752.37, 54,859.68 and 21,848.13 is: 30,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,752.37 : 54,859.68 = 21,848.13 : x
  2. Step 2: Convert to fraction form
    39,752.37/54,859.68 = 21,848.13/x
  3. Step 3: Cross multiply
    39,752.37x = 54,859.68 × 21,848.13
  4. Step 4: Simplify right side
    39,752.37x = 1,198,581,420.40
  5. Step 5: Solve for x
    x = 1,198,581,420.40/39,752.37
  6. Step 6: Final answer
    x = 30,151.19

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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.