Home / 63,275.36-87,315.72-34,977.20

Finding the Fourth Proportional to 63,275.36, 87,315.72 and 34,977.20

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Solution

The fourth proportional to 63,275.36, 87,315.72 and 34,977.20 is: 48,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,275.36 : 87,315.72 = 34,977.20 : x
  2. Step 2: Convert to fraction form
    63,275.36/87,315.72 = 34,977.20/x
  3. Step 3: Cross multiply
    63,275.36x = 87,315.72 × 34,977.20
  4. Step 4: Simplify right side
    63,275.36x = 3,054,059,401.58
  5. Step 5: Solve for x
    x = 3,054,059,401.58/63,275.36
  6. Step 6: Final answer
    x = 48,266.17

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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.