Home / 30,475.28-42,058.08-17,050.84

Finding the Fourth Proportional to 30,475.28, 42,058.08 and 17,050.84

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Solution

The fourth proportional to 30,475.28, 42,058.08 and 17,050.84 is: 23,531.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,475.28 : 42,058.08 = 17,050.84 : x
  2. Step 2: Convert to fraction form
    30,475.28/42,058.08 = 17,050.84/x
  3. Step 3: Cross multiply
    30,475.28x = 42,058.08 × 17,050.84
  4. Step 4: Simplify right side
    30,475.28x = 717,125,592.79
  5. Step 5: Solve for x
    x = 717,125,592.79/30,475.28
  6. Step 6: Final answer
    x = 23,531.39

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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.