Home / 53,009.59-73,153.79-28,810.55

Finding the Fourth Proportional to 53,009.59, 73,153.79 and 28,810.55

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Solution

The fourth proportional to 53,009.59, 73,153.79 and 28,810.55 is: 39,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009.59 : 73,153.79 = 28,810.55 : x
  2. Step 2: Convert to fraction form
    53,009.59/73,153.79 = 28,810.55/x
  3. Step 3: Cross multiply
    53,009.59x = 73,153.79 × 28,810.55
  4. Step 4: Simplify right side
    53,009.59x = 2,107,600,414.66
  5. Step 5: Solve for x
    x = 2,107,600,414.66/53,009.59
  6. Step 6: Final answer
    x = 39,758.86

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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.