Home / 51,344.32-70,854.60-28,681.88

Finding the Fourth Proportional to 51,344.32, 70,854.60 and 28,681.88

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Solution

The fourth proportional to 51,344.32, 70,854.60 and 28,681.88 is: 39,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,344.32 : 70,854.60 = 28,681.88 : x
  2. Step 2: Convert to fraction form
    51,344.32/70,854.60 = 28,681.88/x
  3. Step 3: Cross multiply
    51,344.32x = 70,854.60 × 28,681.88
  4. Step 4: Simplify right side
    51,344.32x = 2,032,243,134.65
  5. Step 5: Solve for x
    x = 2,032,243,134.65/51,344.32
  6. Step 6: Final answer
    x = 39,580.68

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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.