Home / 52,842.25-72,924.51-28,969.84

Finding the Fourth Proportional to 52,842.25, 72,924.51 and 28,969.84

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Solution

The fourth proportional to 52,842.25, 72,924.51 and 28,969.84 is: 39,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,842.25 : 72,924.51 = 28,969.84 : x
  2. Step 2: Convert to fraction form
    52,842.25/72,924.51 = 28,969.84/x
  3. Step 3: Cross multiply
    52,842.25x = 72,924.51 × 28,969.84
  4. Step 4: Simplify right side
    52,842.25x = 2,112,611,386.78
  5. Step 5: Solve for x
    x = 2,112,611,386.78/52,842.25
  6. Step 6: Final answer
    x = 39,979.59

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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.