Home / 38,652.61-53,447.97-30,681.00

Finding the Fourth Proportional to 38,652.61, 53,447.97 and 30,681.00

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Solution

The fourth proportional to 38,652.61, 53,447.97 and 30,681.00 is: 42,425.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,652.61 : 53,447.97 = 30,681.00 : x
  2. Step 2: Convert to fraction form
    38,652.61/53,447.97 = 30,681.00/x
  3. Step 3: Cross multiply
    38,652.61x = 53,447.97 × 30,681.00
  4. Step 4: Simplify right side
    38,652.61x = 1,639,836,900.33
  5. Step 5: Solve for x
    x = 1,639,836,900.33/38,652.61
  6. Step 6: Final answer
    x = 42,425.00

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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.