Home / 30,445.48-45,667.14-8,262.28

Finding the Fourth Proportional to 30,445.48, 45,667.14 and 8,262.28

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Solution

The fourth proportional to 30,445.48, 45,667.14 and 8,262.28 is: 12,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,445.48 : 45,667.14 = 8,262.28 : x
  2. Step 2: Convert to fraction form
    30,445.48/45,667.14 = 8,262.28/x
  3. Step 3: Cross multiply
    30,445.48x = 45,667.14 × 8,262.28
  4. Step 4: Simplify right side
    30,445.48x = 377,314,697.48
  5. Step 5: Solve for x
    x = 377,314,697.48/30,445.48
  6. Step 6: Final answer
    x = 12,393.13

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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.