Home / 30,288.04-45,437.84-10,572.24

Finding the Fourth Proportional to 30,288.04, 45,437.84 and 10,572.24

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Solution

The fourth proportional to 30,288.04, 45,437.84 and 10,572.24 is: 15,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.04 : 45,437.84 = 10,572.24 : x
  2. Step 2: Convert to fraction form
    30,288.04/45,437.84 = 10,572.24/x
  3. Step 3: Cross multiply
    30,288.04x = 45,437.84 × 10,572.24
  4. Step 4: Simplify right side
    30,288.04x = 480,379,749.56
  5. Step 5: Solve for x
    x = 480,379,749.56/30,288.04
  6. Step 6: Final answer
    x = 15,860.38

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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.