Home / 52,091.95-71,886.80-28,218.71

Finding the Fourth Proportional to 52,091.95, 71,886.80 and 28,218.71

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Solution

The fourth proportional to 52,091.95, 71,886.80 and 28,218.71 is: 38,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,091.95 : 71,886.80 = 28,218.71 : x
  2. Step 2: Convert to fraction form
    52,091.95/71,886.80 = 28,218.71/x
  3. Step 3: Cross multiply
    52,091.95x = 71,886.80 × 28,218.71
  4. Step 4: Simplify right side
    52,091.95x = 2,028,552,762.03
  5. Step 5: Solve for x
    x = 2,028,552,762.03/52,091.95
  6. Step 6: Final answer
    x = 38,941.77

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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.