Home / 52,070.34-78,104.82-12,627.81

Finding the Fourth Proportional to 52,070.34, 78,104.82 and 12,627.81

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Solution

The fourth proportional to 52,070.34, 78,104.82 and 12,627.81 is: 18,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,070.34 : 78,104.82 = 12,627.81 : x
  2. Step 2: Convert to fraction form
    52,070.34/78,104.82 = 12,627.81/x
  3. Step 3: Cross multiply
    52,070.34x = 78,104.82 × 12,627.81
  4. Step 4: Simplify right side
    52,070.34x = 986,292,827.04
  5. Step 5: Solve for x
    x = 986,292,827.04/52,070.34
  6. Step 6: Final answer
    x = 18,941.55

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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.