Home / 30,523.65-42,118.95-17,093.85

Finding the Fourth Proportional to 30,523.65, 42,118.95 and 17,093.85

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Solution

The fourth proportional to 30,523.65, 42,118.95 and 17,093.85 is: 23,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,523.65 : 42,118.95 = 17,093.85 : x
  2. Step 2: Convert to fraction form
    30,523.65/42,118.95 = 17,093.85/x
  3. Step 3: Cross multiply
    30,523.65x = 42,118.95 × 17,093.85
  4. Step 4: Simplify right side
    30,523.65x = 719,975,013.46
  5. Step 5: Solve for x
    x = 719,975,013.46/30,523.65
  6. Step 6: Final answer
    x = 23,587.45

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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.