Home / 53,009.60-73,153.82-28,810.56

Finding the Fourth Proportional to 53,009.60, 73,153.82 and 28,810.56

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Solution

The fourth proportional to 53,009.60, 73,153.82 and 28,810.56 is: 39,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009.60 : 73,153.82 = 28,810.56 : x
  2. Step 2: Convert to fraction form
    53,009.60/73,153.82 = 28,810.56/x
  3. Step 3: Cross multiply
    53,009.60x = 73,153.82 × 28,810.56
  4. Step 4: Simplify right side
    53,009.60x = 2,107,602,376.29
  5. Step 5: Solve for x
    x = 2,107,602,376.29/53,009.60
  6. Step 6: Final answer
    x = 39,758.88

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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.