Home / 30,758.94-42,447.51-17,330.46

Finding the Fourth Proportional to 30,758.94, 42,447.51 and 17,330.46

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Solution

The fourth proportional to 30,758.94, 42,447.51 and 17,330.46 is: 23,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,758.94 : 42,447.51 = 17,330.46 : x
  2. Step 2: Convert to fraction form
    30,758.94/42,447.51 = 17,330.46/x
  3. Step 3: Cross multiply
    30,758.94x = 42,447.51 × 17,330.46
  4. Step 4: Simplify right side
    30,758.94x = 735,634,874.15
  5. Step 5: Solve for x
    x = 735,634,874.15/30,758.94
  6. Step 6: Final answer
    x = 23,916.13

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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.