Home / 30,526.57-42,126.18-17,097.78

Finding the Fourth Proportional to 30,526.57, 42,126.18 and 17,097.78

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Solution

The fourth proportional to 30,526.57, 42,126.18 and 17,097.78 is: 23,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,526.57 : 42,126.18 = 17,097.78 : x
  2. Step 2: Convert to fraction form
    30,526.57/42,126.18 = 17,097.78/x
  3. Step 3: Cross multiply
    30,526.57x = 42,126.18 × 17,097.78
  4. Step 4: Simplify right side
    30,526.57x = 720,264,251.74
  5. Step 5: Solve for x
    x = 720,264,251.74/30,526.57
  6. Step 6: Final answer
    x = 23,594.67

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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.