Home / 50,981.08-70,344.54-30,835.12

Finding the Fourth Proportional to 50,981.08, 70,344.54 and 30,835.12

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Solution

The fourth proportional to 50,981.08, 70,344.54 and 30,835.12 is: 42,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,981.08 : 70,344.54 = 30,835.12 : x
  2. Step 2: Convert to fraction form
    50,981.08/70,344.54 = 30,835.12/x
  3. Step 3: Cross multiply
    50,981.08x = 70,344.54 × 30,835.12
  4. Step 4: Simplify right side
    50,981.08x = 2,169,082,332.24
  5. Step 5: Solve for x
    x = 2,169,082,332.24/50,981.08
  6. Step 6: Final answer
    x = 42,546.81

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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.