Home / 52,739.93-72,781.13-28,866.74

Finding the Fourth Proportional to 52,739.93, 72,781.13 and 28,866.74

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Solution

The fourth proportional to 52,739.93, 72,781.13 and 28,866.74 is: 39,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,739.93 : 72,781.13 = 28,866.74 : x
  2. Step 2: Convert to fraction form
    52,739.93/72,781.13 = 28,866.74/x
  3. Step 3: Cross multiply
    52,739.93x = 72,781.13 × 28,866.74
  4. Step 4: Simplify right side
    52,739.93x = 2,100,953,664.88
  5. Step 5: Solve for x
    x = 2,100,953,664.88/52,739.93
  6. Step 6: Final answer
    x = 39,836.11

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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.