Home / 53,802.20-74,253.84-29,939.60

Finding the Fourth Proportional to 53,802.20, 74,253.84 and 29,939.60

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Solution

The fourth proportional to 53,802.20, 74,253.84 and 29,939.60 is: 41,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,802.20 : 74,253.84 = 29,939.60 : x
  2. Step 2: Convert to fraction form
    53,802.20/74,253.84 = 29,939.60/x
  3. Step 3: Cross multiply
    53,802.20x = 74,253.84 × 29,939.60
  4. Step 4: Simplify right side
    53,802.20x = 2,223,130,268.06
  5. Step 5: Solve for x
    x = 2,223,130,268.06/53,802.20
  6. Step 6: Final answer
    x = 41,320.43

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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.