Home / 30,736.79-42,416.74-17,308.14

Finding the Fourth Proportional to 30,736.79, 42,416.74 and 17,308.14

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Solution

The fourth proportional to 30,736.79, 42,416.74 and 17,308.14 is: 23,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,736.79 : 42,416.74 = 17,308.14 : x
  2. Step 2: Convert to fraction form
    30,736.79/42,416.74 = 17,308.14/x
  3. Step 3: Cross multiply
    30,736.79x = 42,416.74 × 17,308.14
  4. Step 4: Simplify right side
    30,736.79x = 734,154,874.26
  5. Step 5: Solve for x
    x = 734,154,874.26/30,736.79
  6. Step 6: Final answer
    x = 23,885.22

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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.