Home / 53,925.80-80,891.10-18,386.60

Finding the Fourth Proportional to 53,925.80, 80,891.10 and 18,386.60

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Solution

The fourth proportional to 53,925.80, 80,891.10 and 18,386.60 is: 27,580.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,925.80 : 80,891.10 = 18,386.60 : x
  2. Step 2: Convert to fraction form
    53,925.80/80,891.10 = 18,386.60/x
  3. Step 3: Cross multiply
    53,925.80x = 80,891.10 × 18,386.60
  4. Step 4: Simplify right side
    53,925.80x = 1,487,312,299.26
  5. Step 5: Solve for x
    x = 1,487,312,299.26/53,925.80
  6. Step 6: Final answer
    x = 27,580.72

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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.