Home / 43,365.47-59,854.35-28,231.78

Finding the Fourth Proportional to 43,365.47, 59,854.35 and 28,231.78

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Solution

The fourth proportional to 43,365.47, 59,854.35 and 28,231.78 is: 38,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,365.47 : 59,854.35 = 28,231.78 : x
  2. Step 2: Convert to fraction form
    43,365.47/59,854.35 = 28,231.78/x
  3. Step 3: Cross multiply
    43,365.47x = 59,854.35 × 28,231.78
  4. Step 4: Simplify right side
    43,365.47x = 1,689,795,021.93
  5. Step 5: Solve for x
    x = 1,689,795,021.93/43,365.47
  6. Step 6: Final answer
    x = 38,966.37

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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.