Home / 48,077.82-72,085.50-20,017.08

Finding the Fourth Proportional to 48,077.82, 72,085.50 and 20,017.08

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Solution

The fourth proportional to 48,077.82, 72,085.50 and 20,017.08 is: 30,012.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,077.82 : 72,085.50 = 20,017.08 : x
  2. Step 2: Convert to fraction form
    48,077.82/72,085.50 = 20,017.08/x
  3. Step 3: Cross multiply
    48,077.82x = 72,085.50 × 20,017.08
  4. Step 4: Simplify right side
    48,077.82x = 1,442,941,220.34
  5. Step 5: Solve for x
    x = 1,442,941,220.34/48,077.82
  6. Step 6: Final answer
    x = 30,012.62

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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.