Home / 52,100.48-78,168-34,639.04

Finding the Fourth Proportional to 52,100.48, 78,168 and 34,639.04

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Solution

The fourth proportional to 52,100.48, 78,168 and 34,639.04 is: 51,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,100.48 : 78,168 = 34,639.04 : x
  2. Step 2: Convert to fraction form
    52,100.48/78,168 = 34,639.04/x
  3. Step 3: Cross multiply
    52,100.48x = 78,168 × 34,639.04
  4. Step 4: Simplify right side
    52,100.48x = 2,707,664,478.72
  5. Step 5: Solve for x
    x = 2,707,664,478.72/52,100.48
  6. Step 6: Final answer
    x = 51,970.05

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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.