Home / 52,110.95-71,912.81-28,237.61

Finding the Fourth Proportional to 52,110.95, 71,912.81 and 28,237.61

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Solution

The fourth proportional to 52,110.95, 71,912.81 and 28,237.61 is: 38,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,110.95 : 71,912.81 = 28,237.61 : x
  2. Step 2: Convert to fraction form
    52,110.95/71,912.81 = 28,237.61/x
  3. Step 3: Cross multiply
    52,110.95x = 71,912.81 × 28,237.61
  4. Step 4: Simplify right side
    52,110.95x = 2,030,646,133.16
  5. Step 5: Solve for x
    x = 2,030,646,133.16/52,110.95
  6. Step 6: Final answer
    x = 38,967.75

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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.