Home / 53,681.02-80,398.90-25,620.78

Finding the Fourth Proportional to 53,681.02, 80,398.90 and 25,620.78

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Solution

The fourth proportional to 53,681.02, 80,398.90 and 25,620.78 is: 38,372.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,681.02 : 80,398.90 = 25,620.78 : x
  2. Step 2: Convert to fraction form
    53,681.02/80,398.90 = 25,620.78/x
  3. Step 3: Cross multiply
    53,681.02x = 80,398.90 × 25,620.78
  4. Step 4: Simplify right side
    53,681.02x = 2,059,882,529.14
  5. Step 5: Solve for x
    x = 2,059,882,529.14/53,681.02
  6. Step 6: Final answer
    x = 38,372.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.