Home / 30,388.55-45,603.18-10,667.16

Finding the Fourth Proportional to 30,388.55, 45,603.18 and 10,667.16

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Solution

The fourth proportional to 30,388.55, 45,603.18 and 10,667.16 is: 16,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388.55 : 45,603.18 = 10,667.16 : x
  2. Step 2: Convert to fraction form
    30,388.55/45,603.18 = 10,667.16/x
  3. Step 3: Cross multiply
    30,388.55x = 45,603.18 × 10,667.16
  4. Step 4: Simplify right side
    30,388.55x = 486,456,417.57
  5. Step 5: Solve for x
    x = 486,456,417.57/30,388.55
  6. Step 6: Final answer
    x = 16,007.89

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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.