Home / 48,718.60-73,077.90-19,126.60

Finding the Fourth Proportional to 48,718.60, 73,077.90 and 19,126.60

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Solution

The fourth proportional to 48,718.60, 73,077.90 and 19,126.60 is: 28,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,718.60 : 73,077.90 = 19,126.60 : x
  2. Step 2: Convert to fraction form
    48,718.60/73,077.90 = 19,126.60/x
  3. Step 3: Cross multiply
    48,718.60x = 73,077.90 × 19,126.60
  4. Step 4: Simplify right side
    48,718.60x = 1,397,731,762.14
  5. Step 5: Solve for x
    x = 1,397,731,762.14/48,718.60
  6. Step 6: Final answer
    x = 28,689.90

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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.