Home / 52,134.57-71,945.30-28,260.63

Finding the Fourth Proportional to 52,134.57, 71,945.30 and 28,260.63

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Solution

The fourth proportional to 52,134.57, 71,945.30 and 28,260.63 is: 38,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,134.57 : 71,945.30 = 28,260.63 : x
  2. Step 2: Convert to fraction form
    52,134.57/71,945.30 = 28,260.63/x
  3. Step 3: Cross multiply
    52,134.57x = 71,945.30 × 28,260.63
  4. Step 4: Simplify right side
    52,134.57x = 2,033,219,362.24
  5. Step 5: Solve for x
    x = 2,033,219,362.24/52,134.57
  6. Step 6: Final answer
    x = 38,999.45

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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.