Home / 63,440.64-87,542.40-35,138.88

Finding the Fourth Proportional to 63,440.64, 87,542.40 and 35,138.88

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Solution

The fourth proportional to 63,440.64, 87,542.40 and 35,138.88 is: 48,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,440.64 : 87,542.40 = 35,138.88 : x
  2. Step 2: Convert to fraction form
    63,440.64/87,542.40 = 35,138.88/x
  3. Step 3: Cross multiply
    63,440.64x = 87,542.40 × 35,138.88
  4. Step 4: Simplify right side
    63,440.64x = 3,076,141,888.51
  5. Step 5: Solve for x
    x = 3,076,141,888.51/63,440.64
  6. Step 6: Final answer
    x = 48,488.51

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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.