Home / 52,142.10-78,166.37-18,854.34

Finding the Fourth Proportional to 52,142.10, 78,166.37 and 18,854.34

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Solution

The fourth proportional to 52,142.10, 78,166.37 and 18,854.34 is: 28,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,142.10 : 78,166.37 = 18,854.34 : x
  2. Step 2: Convert to fraction form
    52,142.10/78,166.37 = 18,854.34/x
  3. Step 3: Cross multiply
    52,142.10x = 78,166.37 × 18,854.34
  4. Step 4: Simplify right side
    52,142.10x = 1,473,775,363.68
  5. Step 5: Solve for x
    x = 1,473,775,363.68/52,142.10
  6. Step 6: Final answer
    x = 28,264.60

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1.5x scale

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.