Home / 30,954.69-42,719.40-17,527.32

Finding the Fourth Proportional to 30,954.69, 42,719.40 and 17,527.32

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Solution

The fourth proportional to 30,954.69, 42,719.40 and 17,527.32 is: 24,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,954.69 : 42,719.40 = 17,527.32 : x
  2. Step 2: Convert to fraction form
    30,954.69/42,719.40 = 17,527.32/x
  3. Step 3: Cross multiply
    30,954.69x = 42,719.40 × 17,527.32
  4. Step 4: Simplify right side
    30,954.69x = 748,756,594.01
  5. Step 5: Solve for x
    x = 748,756,594.01/30,954.69
  6. Step 6: Final answer
    x = 24,188.79

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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.