Home / 48,384.95-72,581.99-18,805.05

Finding the Fourth Proportional to 48,384.95, 72,581.99 and 18,805.05

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Solution

The fourth proportional to 48,384.95, 72,581.99 and 18,805.05 is: 28,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,384.95 : 72,581.99 = 18,805.05 : x
  2. Step 2: Convert to fraction form
    48,384.95/72,581.99 = 18,805.05/x
  3. Step 3: Cross multiply
    48,384.95x = 72,581.99 × 18,805.05
  4. Step 4: Simplify right side
    48,384.95x = 1,364,907,857.02
  5. Step 5: Solve for x
    x = 1,364,907,857.02/48,384.95
  6. Step 6: Final answer
    x = 28,209.35

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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.