Home / 39,284.72-54,233-30,312.08

Finding the Fourth Proportional to 39,284.72, 54,233 and 30,312.08

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Solution

The fourth proportional to 39,284.72, 54,233 and 30,312.08 is: 41,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,284.72 : 54,233 = 30,312.08 : x
  2. Step 2: Convert to fraction form
    39,284.72/54,233 = 30,312.08/x
  3. Step 3: Cross multiply
    39,284.72x = 54,233 × 30,312.08
  4. Step 4: Simplify right side
    39,284.72x = 1,643,915,034.64
  5. Step 5: Solve for x
    x = 1,643,915,034.64/39,284.72
  6. Step 6: Final answer
    x = 41,846.17

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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.