Home / 48,255.69-72,381.65-20,168.49

Finding the Fourth Proportional to 48,255.69, 72,381.65 and 20,168.49

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Solution

The fourth proportional to 48,255.69, 72,381.65 and 20,168.49 is: 30,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,255.69 : 72,381.65 = 20,168.49 : x
  2. Step 2: Convert to fraction form
    48,255.69/72,381.65 = 20,168.49/x
  3. Step 3: Cross multiply
    48,255.69x = 72,381.65 × 20,168.49
  4. Step 4: Simplify right side
    48,255.69x = 1,459,828,483.37
  5. Step 5: Solve for x
    x = 1,459,828,483.37/48,255.69
  6. Step 6: Final answer
    x = 30,251.95

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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.