Home / 52,210.97-78,312.81-18,924.83

Finding the Fourth Proportional to 52,210.97, 78,312.81 and 18,924.83

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Solution

The fourth proportional to 52,210.97, 78,312.81 and 18,924.83 is: 28,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,210.97 : 78,312.81 = 18,924.83 : x
  2. Step 2: Convert to fraction form
    52,210.97/78,312.81 = 18,924.83/x
  3. Step 3: Cross multiply
    52,210.97x = 78,312.81 × 18,924.83
  4. Step 4: Simplify right side
    52,210.97x = 1,482,056,616.07
  5. Step 5: Solve for x
    x = 1,482,056,616.07/52,210.97
  6. Step 6: Final answer
    x = 28,385.92

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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.