Home / 39,316.20-58,974.30-30,557.40

Finding the Fourth Proportional to 39,316.20, 58,974.30 and 30,557.40

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Solution

The fourth proportional to 39,316.20, 58,974.30 and 30,557.40 is: 45,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,316.20 : 58,974.30 = 30,557.40 : x
  2. Step 2: Convert to fraction form
    39,316.20/58,974.30 = 30,557.40/x
  3. Step 3: Cross multiply
    39,316.20x = 58,974.30 × 30,557.40
  4. Step 4: Simplify right side
    39,316.20x = 1,802,101,274.82
  5. Step 5: Solve for x
    x = 1,802,101,274.82/39,316.20
  6. Step 6: Final answer
    x = 45,836.10

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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.