Home / 52,221.60-72,065.58-28,348.08

Finding the Fourth Proportional to 52,221.60, 72,065.58 and 28,348.08

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Solution

The fourth proportional to 52,221.60, 72,065.58 and 28,348.08 is: 39,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,221.60 : 72,065.58 = 28,348.08 : x
  2. Step 2: Convert to fraction form
    52,221.60/72,065.58 = 28,348.08/x
  3. Step 3: Cross multiply
    52,221.60x = 72,065.58 × 28,348.08
  4. Step 4: Simplify right side
    52,221.60x = 2,042,920,827.09
  5. Step 5: Solve for x
    x = 2,042,920,827.09/52,221.60
  6. Step 6: Final answer
    x = 39,120.23

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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.