Home / 63,411.14-87,509.98-35,116.80

Finding the Fourth Proportional to 63,411.14, 87,509.98 and 35,116.80

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Solution

The fourth proportional to 63,411.14, 87,509.98 and 35,116.80 is: 48,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,411.14 : 87,509.98 = 35,116.80 : x
  2. Step 2: Convert to fraction form
    63,411.14/87,509.98 = 35,116.80/x
  3. Step 3: Cross multiply
    63,411.14x = 87,509.98 × 35,116.80
  4. Step 4: Simplify right side
    63,411.14x = 3,073,070,465.66
  5. Step 5: Solve for x
    x = 3,073,070,465.66/63,411.14
  6. Step 6: Final answer
    x = 48,462.63

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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.