Home / 30,152.91-45,225.51-7,967.94

Finding the Fourth Proportional to 30,152.91, 45,225.51 and 7,967.94

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Solution

The fourth proportional to 30,152.91, 45,225.51 and 7,967.94 is: 11,950.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152.91 : 45,225.51 = 7,967.94 : x
  2. Step 2: Convert to fraction form
    30,152.91/45,225.51 = 7,967.94/x
  3. Step 3: Cross multiply
    30,152.91x = 45,225.51 × 7,967.94
  4. Step 4: Simplify right side
    30,152.91x = 360,354,150.15
  5. Step 5: Solve for x
    x = 360,354,150.15/30,152.91
  6. Step 6: Final answer
    x = 11,950.89

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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.