Home / 30,251.18-45,381.62-10,535.34

Finding the Fourth Proportional to 30,251.18, 45,381.62 and 10,535.34

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Solution

The fourth proportional to 30,251.18, 45,381.62 and 10,535.34 is: 15,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.18 : 45,381.62 = 10,535.34 : x
  2. Step 2: Convert to fraction form
    30,251.18/45,381.62 = 10,535.34/x
  3. Step 3: Cross multiply
    30,251.18x = 45,381.62 × 10,535.34
  4. Step 4: Simplify right side
    30,251.18x = 478,110,796.45
  5. Step 5: Solve for x
    x = 478,110,796.45/30,251.18
  6. Step 6: Final answer
    x = 15,804.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.