Home / 54,263.64-74,885.38-30,390.06

Finding the Fourth Proportional to 54,263.64, 74,885.38 and 30,390.06

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Solution

The fourth proportional to 54,263.64, 74,885.38 and 30,390.06 is: 41,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,263.64 : 74,885.38 = 30,390.06 : x
  2. Step 2: Convert to fraction form
    54,263.64/74,885.38 = 30,390.06/x
  3. Step 3: Cross multiply
    54,263.64x = 74,885.38 × 30,390.06
  4. Step 4: Simplify right side
    54,263.64x = 2,275,771,191.32
  5. Step 5: Solve for x
    x = 2,275,771,191.32/54,263.64
  6. Step 6: Final answer
    x = 41,939.15

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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.