Home / 52,710.22-72,741.83-28,836.90

Finding the Fourth Proportional to 52,710.22, 72,741.83 and 28,836.90

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Solution

The fourth proportional to 52,710.22, 72,741.83 and 28,836.90 is: 39,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,710.22 : 72,741.83 = 28,836.90 : x
  2. Step 2: Convert to fraction form
    52,710.22/72,741.83 = 28,836.90/x
  3. Step 3: Cross multiply
    52,710.22x = 72,741.83 × 28,836.90
  4. Step 4: Simplify right side
    52,710.22x = 2,097,648,877.53
  5. Step 5: Solve for x
    x = 2,097,648,877.53/52,710.22
  6. Step 6: Final answer
    x = 39,795.87

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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.