Home / 63,316.81-87,340.71-40,304.08

Finding the Fourth Proportional to 63,316.81, 87,340.71 and 40,304.08

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Solution

The fourth proportional to 63,316.81, 87,340.71 and 40,304.08 is: 55,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,316.81 : 87,340.71 = 40,304.08 : x
  2. Step 2: Convert to fraction form
    63,316.81/87,340.71 = 40,304.08/x
  3. Step 3: Cross multiply
    63,316.81x = 87,340.71 × 40,304.08
  4. Step 4: Simplify right side
    63,316.81x = 3,520,186,963.10
  5. Step 5: Solve for x
    x = 3,520,186,963.10/63,316.81
  6. Step 6: Final answer
    x = 55,596.40

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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.