Home / 50,803.62-70,111.51-30,660.18

Finding the Fourth Proportional to 50,803.62, 70,111.51 and 30,660.18

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Solution

The fourth proportional to 50,803.62, 70,111.51 and 30,660.18 is: 42,312.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,803.62 : 70,111.51 = 30,660.18 : x
  2. Step 2: Convert to fraction form
    50,803.62/70,111.51 = 30,660.18/x
  3. Step 3: Cross multiply
    50,803.62x = 70,111.51 × 30,660.18
  4. Step 4: Simplify right side
    50,803.62x = 2,149,631,516.67
  5. Step 5: Solve for x
    x = 2,149,631,516.67/50,803.62
  6. Step 6: Final answer
    x = 42,312.57

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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.