Home / 30,683.53-42,344.49-17,254.72

Finding the Fourth Proportional to 30,683.53, 42,344.49 and 17,254.72

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Solution

The fourth proportional to 30,683.53, 42,344.49 and 17,254.72 is: 23,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683.53 : 42,344.49 = 17,254.72 : x
  2. Step 2: Convert to fraction form
    30,683.53/42,344.49 = 17,254.72/x
  3. Step 3: Cross multiply
    30,683.53x = 42,344.49 × 17,254.72
  4. Step 4: Simplify right side
    30,683.53x = 730,642,318.49
  5. Step 5: Solve for x
    x = 730,642,318.49/30,683.53
  6. Step 6: Final answer
    x = 23,812.20

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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.