Home / 54,722.21-75,515.60-30,848.90

Finding the Fourth Proportional to 54,722.21, 75,515.60 and 30,848.90

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Solution

The fourth proportional to 54,722.21, 75,515.60 and 30,848.90 is: 42,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,722.21 : 75,515.60 = 30,848.90 : x
  2. Step 2: Convert to fraction form
    54,722.21/75,515.60 = 30,848.90/x
  3. Step 3: Cross multiply
    54,722.21x = 75,515.60 × 30,848.90
  4. Step 4: Simplify right side
    54,722.21x = 2,329,572,892.38
  5. Step 5: Solve for x
    x = 2,329,572,892.38/54,722.21
  6. Step 6: Final answer
    x = 42,570.89

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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.