Home / 53,820.43-74,275.11-29,947.62

Finding the Fourth Proportional to 53,820.43, 74,275.11 and 29,947.62

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Solution

The fourth proportional to 53,820.43, 74,275.11 and 29,947.62 is: 41,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,820.43 : 74,275.11 = 29,947.62 : x
  2. Step 2: Convert to fraction form
    53,820.43/74,275.11 = 29,947.62/x
  3. Step 3: Cross multiply
    53,820.43x = 74,275.11 × 29,947.62
  4. Step 4: Simplify right side
    53,820.43x = 2,224,362,769.74
  5. Step 5: Solve for x
    x = 2,224,362,769.74/53,820.43
  6. Step 6: Final answer
    x = 41,329.34

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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.