Home / 39,463.76-54,460.44-21,559.28

Finding the Fourth Proportional to 39,463.76, 54,460.44 and 21,559.28

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Solution

The fourth proportional to 39,463.76, 54,460.44 and 21,559.28 is: 29,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,463.76 : 54,460.44 = 21,559.28 : x
  2. Step 2: Convert to fraction form
    39,463.76/54,460.44 = 21,559.28/x
  3. Step 3: Cross multiply
    39,463.76x = 54,460.44 × 21,559.28
  4. Step 4: Simplify right side
    39,463.76x = 1,174,127,874.88
  5. Step 5: Solve for x
    x = 1,174,127,874.88/39,463.76
  6. Step 6: Final answer
    x = 29,752.05

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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.