Home / 53,862.39-80,641.69-28,504.47

Finding the Fourth Proportional to 53,862.39, 80,641.69 and 28,504.47

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Solution

The fourth proportional to 53,862.39, 80,641.69 and 28,504.47 is: 42,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.39 : 80,641.69 = 28,504.47 : x
  2. Step 2: Convert to fraction form
    53,862.39/80,641.69 = 28,504.47/x
  3. Step 3: Cross multiply
    53,862.39x = 80,641.69 × 28,504.47
  4. Step 4: Simplify right side
    53,862.39x = 2,298,648,532.55
  5. Step 5: Solve for x
    x = 2,298,648,532.55/53,862.39
  6. Step 6: Final answer
    x = 42,676.32

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1.5x scale

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.