Home / 38,415.61-53,017.80-22,286.50

Finding the Fourth Proportional to 38,415.61, 53,017.80 and 22,286.50

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Solution

The fourth proportional to 38,415.61, 53,017.80 and 22,286.50 is: 30,757.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,415.61 : 53,017.80 = 22,286.50 : x
  2. Step 2: Convert to fraction form
    38,415.61/53,017.80 = 22,286.50/x
  3. Step 3: Cross multiply
    38,415.61x = 53,017.80 × 22,286.50
  4. Step 4: Simplify right side
    38,415.61x = 1,181,581,199.70
  5. Step 5: Solve for x
    x = 1,181,581,199.70/38,415.61
  6. Step 6: Final answer
    x = 30,757.84

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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.