Home / 52,213.68-72,054.96-28,340.36

Finding the Fourth Proportional to 52,213.68, 72,054.96 and 28,340.36

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Solution

The fourth proportional to 52,213.68, 72,054.96 and 28,340.36 is: 39,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,213.68 : 72,054.96 = 28,340.36 : x
  2. Step 2: Convert to fraction form
    52,213.68/72,054.96 = 28,340.36/x
  3. Step 3: Cross multiply
    52,213.68x = 72,054.96 × 28,340.36
  4. Step 4: Simplify right side
    52,213.68x = 2,042,063,506.19
  5. Step 5: Solve for x
    x = 2,042,063,506.19/52,213.68
  6. Step 6: Final answer
    x = 39,109.74

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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.