Home / 51,433.49-70,969.29-30,217.16

Finding the Fourth Proportional to 51,433.49, 70,969.29 and 30,217.16

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Solution

The fourth proportional to 51,433.49, 70,969.29 and 30,217.16 is: 41,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,433.49 : 70,969.29 = 30,217.16 : x
  2. Step 2: Convert to fraction form
    51,433.49/70,969.29 = 30,217.16/x
  3. Step 3: Cross multiply
    51,433.49x = 70,969.29 × 30,217.16
  4. Step 4: Simplify right side
    51,433.49x = 2,144,490,391.02
  5. Step 5: Solve for x
    x = 2,144,490,391.02/51,433.49
  6. Step 6: Final answer
    x = 41,694.44

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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.