Home / 52,051.60-71,830.36-28,178.07

Finding the Fourth Proportional to 52,051.60, 71,830.36 and 28,178.07

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Solution

The fourth proportional to 52,051.60, 71,830.36 and 28,178.07 is: 38,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,051.60 : 71,830.36 = 28,178.07 : x
  2. Step 2: Convert to fraction form
    52,051.60/71,830.36 = 28,178.07/x
  3. Step 3: Cross multiply
    52,051.60x = 71,830.36 × 28,178.07
  4. Step 4: Simplify right side
    52,051.60x = 2,024,040,912.21
  5. Step 5: Solve for x
    x = 2,024,040,912.21/52,051.60
  6. Step 6: Final answer
    x = 38,885.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.