Home / 30,763.95-42,455.13-17,334.46

Finding the Fourth Proportional to 30,763.95, 42,455.13 and 17,334.46

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Solution

The fourth proportional to 30,763.95, 42,455.13 and 17,334.46 is: 23,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.95 : 42,455.13 = 17,334.46 : x
  2. Step 2: Convert to fraction form
    30,763.95/42,455.13 = 17,334.46/x
  3. Step 3: Cross multiply
    30,763.95x = 42,455.13 × 17,334.46
  4. Step 4: Simplify right side
    30,763.95x = 735,936,666.11
  5. Step 5: Solve for x
    x = 735,936,666.11/30,763.95
  6. Step 6: Final answer
    x = 23,922.05

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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.