Home / 30,475.55-42,047.51-17,552.43

Finding the Fourth Proportional to 30,475.55, 42,047.51 and 17,552.43

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Solution

The fourth proportional to 30,475.55, 42,047.51 and 17,552.43 is: 24,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,475.55 : 42,047.51 = 17,552.43 : x
  2. Step 2: Convert to fraction form
    30,475.55/42,047.51 = 17,552.43/x
  3. Step 3: Cross multiply
    30,475.55x = 42,047.51 × 17,552.43
  4. Step 4: Simplify right side
    30,475.55x = 738,035,888.19
  5. Step 5: Solve for x
    x = 738,035,888.19/30,475.55
  6. Step 6: Final answer
    x = 24,217.31

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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.