Home / 30,774.66-42,471.35-17,347.17

Finding the Fourth Proportional to 30,774.66, 42,471.35 and 17,347.17

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Solution

The fourth proportional to 30,774.66, 42,471.35 and 17,347.17 is: 23,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,774.66 : 42,471.35 = 17,347.17 : x
  2. Step 2: Convert to fraction form
    30,774.66/42,471.35 = 17,347.17/x
  3. Step 3: Cross multiply
    30,774.66x = 42,471.35 × 17,347.17
  4. Step 4: Simplify right side
    30,774.66x = 736,757,728.58
  5. Step 5: Solve for x
    x = 736,757,728.58/30,774.66
  6. Step 6: Final answer
    x = 23,940.40

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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.