Home / 30,283.08-45,453.78-28,373.16

Finding the Fourth Proportional to 30,283.08, 45,453.78 and 28,373.16

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Solution

The fourth proportional to 30,283.08, 45,453.78 and 28,373.16 is: 42,587.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,283.08 : 45,453.78 = 28,373.16 : x
  2. Step 2: Convert to fraction form
    30,283.08/45,453.78 = 28,373.16/x
  3. Step 3: Cross multiply
    30,283.08x = 45,453.78 × 28,373.16
  4. Step 4: Simplify right side
    30,283.08x = 1,289,667,372.54
  5. Step 5: Solve for x
    x = 1,289,667,372.54/30,283.08
  6. Step 6: Final answer
    x = 42,587.06

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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.