Home / 48,007.40-66,231.72-30,071.18

Finding the Fourth Proportional to 48,007.40, 66,231.72 and 30,071.18

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Solution

The fourth proportional to 48,007.40, 66,231.72 and 30,071.18 is: 41,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,007.40 : 66,231.72 = 30,071.18 : x
  2. Step 2: Convert to fraction form
    48,007.40/66,231.72 = 30,071.18/x
  3. Step 3: Cross multiply
    48,007.40x = 66,231.72 × 30,071.18
  4. Step 4: Simplify right side
    48,007.40x = 1,991,665,642.67
  5. Step 5: Solve for x
    x = 1,991,665,642.67/48,007.40
  6. Step 6: Final answer
    x = 41,486.64

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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.