Home / 52,886.95-72,990.45-30,220.74

Finding the Fourth Proportional to 52,886.95, 72,990.45 and 30,220.74

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Solution

The fourth proportional to 52,886.95, 72,990.45 and 30,220.74 is: 41,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,886.95 : 72,990.45 = 30,220.74 : x
  2. Step 2: Convert to fraction form
    52,886.95/72,990.45 = 30,220.74/x
  3. Step 3: Cross multiply
    52,886.95x = 72,990.45 × 30,220.74
  4. Step 4: Simplify right side
    52,886.95x = 2,205,825,411.93
  5. Step 5: Solve for x
    x = 2,205,825,411.93/52,886.95
  6. Step 6: Final answer
    x = 41,708.31

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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.