Home / 48,276.36-72,377.48-18,290.16

Finding the Fourth Proportional to 48,276.36, 72,377.48 and 18,290.16

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Solution

The fourth proportional to 48,276.36, 72,377.48 and 18,290.16 is: 27,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,276.36 : 72,377.48 = 18,290.16 : x
  2. Step 2: Convert to fraction form
    48,276.36/72,377.48 = 18,290.16/x
  3. Step 3: Cross multiply
    48,276.36x = 72,377.48 × 18,290.16
  4. Step 4: Simplify right side
    48,276.36x = 1,323,795,598.15
  5. Step 5: Solve for x
    x = 1,323,795,598.15/48,276.36
  6. Step 6: Final answer
    x = 27,421.20

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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.