Home / 52,213.45-72,054.65-28,340.13

Finding the Fourth Proportional to 52,213.45, 72,054.65 and 28,340.13

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Solution

The fourth proportional to 52,213.45, 72,054.65 and 28,340.13 is: 39,109.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,213.45 : 72,054.65 = 28,340.13 : x
  2. Step 2: Convert to fraction form
    52,213.45/72,054.65 = 28,340.13/x
  3. Step 3: Cross multiply
    52,213.45x = 72,054.65 × 28,340.13
  4. Step 4: Simplify right side
    52,213.45x = 2,042,038,148.10
  5. Step 5: Solve for x
    x = 2,042,038,148.10/52,213.45
  6. Step 6: Final answer
    x = 39,109.43

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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.