Home / 54,031.03-74,563.60-30,157.71

Finding the Fourth Proportional to 54,031.03, 74,563.60 and 30,157.71

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Solution

The fourth proportional to 54,031.03, 74,563.60 and 30,157.71 is: 41,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,031.03 : 74,563.60 = 30,157.71 : x
  2. Step 2: Convert to fraction form
    54,031.03/74,563.60 = 30,157.71/x
  3. Step 3: Cross multiply
    54,031.03x = 74,563.60 × 30,157.71
  4. Step 4: Simplify right side
    54,031.03x = 2,248,667,088.16
  5. Step 5: Solve for x
    x = 2,248,667,088.16/54,031.03
  6. Step 6: Final answer
    x = 41,618.07

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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.