Home / 52,818.39-72,889.44-28,945.92

Finding the Fourth Proportional to 52,818.39, 72,889.44 and 28,945.92

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Solution

The fourth proportional to 52,818.39, 72,889.44 and 28,945.92 is: 39,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,818.39 : 72,889.44 = 28,945.92 : x
  2. Step 2: Convert to fraction form
    52,818.39/72,889.44 = 28,945.92/x
  3. Step 3: Cross multiply
    52,818.39x = 72,889.44 × 28,945.92
  4. Step 4: Simplify right side
    52,818.39x = 2,109,851,899.08
  5. Step 5: Solve for x
    x = 2,109,851,899.08/52,818.39
  6. Step 6: Final answer
    x = 39,945.40

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Double scale
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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.