Home / 52,133.76-78,184.13-18,849.42

Finding the Fourth Proportional to 52,133.76, 78,184.13 and 18,849.42

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Solution

The fourth proportional to 52,133.76, 78,184.13 and 18,849.42 is: 28,268.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,133.76 : 78,184.13 = 18,849.42 : x
  2. Step 2: Convert to fraction form
    52,133.76/78,184.13 = 18,849.42/x
  3. Step 3: Cross multiply
    52,133.76x = 78,184.13 × 18,849.42
  4. Step 4: Simplify right side
    52,133.76x = 1,473,725,409.46
  5. Step 5: Solve for x
    x = 1,473,725,409.46/52,133.76
  6. Step 6: Final answer
    x = 28,268.16

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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.