Home / 30,372.83-45,562.07-11,392.40

Finding the Fourth Proportional to 30,372.83, 45,562.07 and 11,392.40

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Solution

The fourth proportional to 30,372.83, 45,562.07 and 11,392.40 is: 17,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.83 : 45,562.07 = 11,392.40 : x
  2. Step 2: Convert to fraction form
    30,372.83/45,562.07 = 11,392.40/x
  3. Step 3: Cross multiply
    30,372.83x = 45,562.07 × 11,392.40
  4. Step 4: Simplify right side
    30,372.83x = 519,061,468.65
  5. Step 5: Solve for x
    x = 519,061,468.65/30,372.83
  6. Step 6: Final answer
    x = 17,089.67

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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.