Home / 54,274.48-74,895-30,397.12

Finding the Fourth Proportional to 54,274.48, 74,895 and 30,397.12

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Solution

The fourth proportional to 54,274.48, 74,895 and 30,397.12 is: 41,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,274.48 : 74,895 = 30,397.12 : x
  2. Step 2: Convert to fraction form
    54,274.48/74,895 = 30,397.12/x
  3. Step 3: Cross multiply
    54,274.48x = 74,895 × 30,397.12
  4. Step 4: Simplify right side
    54,274.48x = 2,276,592,302.40
  5. Step 5: Solve for x
    x = 2,276,592,302.40/54,274.48
  6. Step 6: Final answer
    x = 41,945.91

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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.