Home / 23,179.91-34,895.16-21,113.19

Finding the Fourth Proportional to 23,179.91, 34,895.16 and 21,113.19

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Solution

The fourth proportional to 23,179.91, 34,895.16 and 21,113.19 is: 31,783.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,179.91 : 34,895.16 = 21,113.19 : x
  2. Step 2: Convert to fraction form
    23,179.91/34,895.16 = 21,113.19/x
  3. Step 3: Cross multiply
    23,179.91x = 34,895.16 × 21,113.19
  4. Step 4: Simplify right side
    23,179.91x = 736,748,143.16
  5. Step 5: Solve for x
    x = 736,748,143.16/23,179.91
  6. Step 6: Final answer
    x = 31,783.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.