Home / 52,645.64-72,650.97-28,772.40

Finding the Fourth Proportional to 52,645.64, 72,650.97 and 28,772.40

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Solution

The fourth proportional to 52,645.64, 72,650.97 and 28,772.40 is: 39,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,645.64 : 72,650.97 = 28,772.40 : x
  2. Step 2: Convert to fraction form
    52,645.64/72,650.97 = 28,772.40/x
  3. Step 3: Cross multiply
    52,645.64x = 72,650.97 × 28,772.40
  4. Step 4: Simplify right side
    52,645.64x = 2,090,342,769.23
  5. Step 5: Solve for x
    x = 2,090,342,769.23/52,645.64
  6. Step 6: Final answer
    x = 39,705.91

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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.