Home / 63,276.15-87,317.64-34,980

Finding the Fourth Proportional to 63,276.15, 87,317.64 and 34,980

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Solution

The fourth proportional to 63,276.15, 87,317.64 and 34,980 is: 48,270.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,276.15 : 87,317.64 = 34,980 : x
  2. Step 2: Convert to fraction form
    63,276.15/87,317.64 = 34,980/x
  3. Step 3: Cross multiply
    63,276.15x = 87,317.64 × 34,980
  4. Step 4: Simplify right side
    63,276.15x = 3,054,371,047.20
  5. Step 5: Solve for x
    x = 3,054,371,047.20/63,276.15
  6. Step 6: Final answer
    x = 48,270.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.