Home / 52,547.60-78,821.40-19,269.92

Finding the Fourth Proportional to 52,547.60, 78,821.40 and 19,269.92

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Solution

The fourth proportional to 52,547.60, 78,821.40 and 19,269.92 is: 28,904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,547.60 : 78,821.40 = 19,269.92 : x
  2. Step 2: Convert to fraction form
    52,547.60/78,821.40 = 19,269.92/x
  3. Step 3: Cross multiply
    52,547.60x = 78,821.40 × 19,269.92
  4. Step 4: Simplify right side
    52,547.60x = 1,518,882,072.29
  5. Step 5: Solve for x
    x = 1,518,882,072.29/52,547.60
  6. Step 6: Final answer
    x = 28,904.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.