Home / 53,657.52-74,043.88-29,784.20

Finding the Fourth Proportional to 53,657.52, 74,043.88 and 29,784.20

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Solution

The fourth proportional to 53,657.52, 74,043.88 and 29,784.20 is: 41,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,657.52 : 74,043.88 = 29,784.20 : x
  2. Step 2: Convert to fraction form
    53,657.52/74,043.88 = 29,784.20/x
  3. Step 3: Cross multiply
    53,657.52x = 74,043.88 × 29,784.20
  4. Step 4: Simplify right side
    53,657.52x = 2,205,337,730.70
  5. Step 5: Solve for x
    x = 2,205,337,730.70/53,657.52
  6. Step 6: Final answer
    x = 41,100.25

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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.