Home / 30,763.23-42,454.13-17,333.74

Finding the Fourth Proportional to 30,763.23, 42,454.13 and 17,333.74

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Solution

The fourth proportional to 30,763.23, 42,454.13 and 17,333.74 is: 23,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.23 : 42,454.13 = 17,333.74 : x
  2. Step 2: Convert to fraction form
    30,763.23/42,454.13 = 17,333.74/x
  3. Step 3: Cross multiply
    30,763.23x = 42,454.13 × 17,333.74
  4. Step 4: Simplify right side
    30,763.23x = 735,888,851.35
  5. Step 5: Solve for x
    x = 735,888,851.35/30,763.23
  6. Step 6: Final answer
    x = 23,921.05

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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.