Home / 74,423.96-111,639.58-30,045.17

Finding the Fourth Proportional to 74,423.96, 111,639.58 and 30,045.17

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Solution

The fourth proportional to 74,423.96, 111,639.58 and 30,045.17 is: 45,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,423.96 : 111,639.58 = 30,045.17 : x
  2. Step 2: Convert to fraction form
    74,423.96/111,639.58 = 30,045.17/x
  3. Step 3: Cross multiply
    74,423.96x = 111,639.58 × 30,045.17
  4. Step 4: Simplify right side
    74,423.96x = 3,354,229,451.40
  5. Step 5: Solve for x
    x = 3,354,229,451.40/74,423.96
  6. Step 6: Final answer
    x = 45,069.22

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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.