Home / 53,943.60-74,442.20-30,069.74

Finding the Fourth Proportional to 53,943.60, 74,442.20 and 30,069.74

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Solution

The fourth proportional to 53,943.60, 74,442.20 and 30,069.74 is: 41,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,943.60 : 74,442.20 = 30,069.74 : x
  2. Step 2: Convert to fraction form
    53,943.60/74,442.20 = 30,069.74/x
  3. Step 3: Cross multiply
    53,943.60x = 74,442.20 × 30,069.74
  4. Step 4: Simplify right side
    53,943.60x = 2,238,457,599.03
  5. Step 5: Solve for x
    x = 2,238,457,599.03/53,943.60
  6. Step 6: Final answer
    x = 41,496.26

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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.