Home / 52,003.40-71,764.67-28,130.08

Finding the Fourth Proportional to 52,003.40, 71,764.67 and 28,130.08

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Solution

The fourth proportional to 52,003.40, 71,764.67 and 28,130.08 is: 38,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,003.40 : 71,764.67 = 28,130.08 : x
  2. Step 2: Convert to fraction form
    52,003.40/71,764.67 = 28,130.08/x
  3. Step 3: Cross multiply
    52,003.40x = 71,764.67 × 28,130.08
  4. Step 4: Simplify right side
    52,003.40x = 2,018,745,754.72
  5. Step 5: Solve for x
    x = 2,018,745,754.72/52,003.40
  6. Step 6: Final answer
    x = 38,819.49

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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.