Home / 51,547.20-71,140.08-28,886.08

Finding the Fourth Proportional to 51,547.20, 71,140.08 and 28,886.08

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Solution

The fourth proportional to 51,547.20, 71,140.08 and 28,886.08 is: 39,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,547.20 : 71,140.08 = 28,886.08 : x
  2. Step 2: Convert to fraction form
    51,547.20/71,140.08 = 28,886.08/x
  3. Step 3: Cross multiply
    51,547.20x = 71,140.08 × 28,886.08
  4. Step 4: Simplify right side
    51,547.20x = 2,054,958,042.09
  5. Step 5: Solve for x
    x = 2,054,958,042.09/51,547.20
  6. Step 6: Final answer
    x = 39,865.56

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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.