Home / 74,258.30-111,387.45-39,266.30

Finding the Fourth Proportional to 74,258.30, 111,387.45 and 39,266.30

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Solution

The fourth proportional to 74,258.30, 111,387.45 and 39,266.30 is: 58,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,258.30 : 111,387.45 = 39,266.30 : x
  2. Step 2: Convert to fraction form
    74,258.30/111,387.45 = 39,266.30/x
  3. Step 3: Cross multiply
    74,258.30x = 111,387.45 × 39,266.30
  4. Step 4: Simplify right side
    74,258.30x = 4,373,773,027.94
  5. Step 5: Solve for x
    x = 4,373,773,027.94/74,258.30
  6. Step 6: Final answer
    x = 58,899.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.