Home / 30,327.90-45,491.85-27,047.40

Finding the Fourth Proportional to 30,327.90, 45,491.85 and 27,047.40

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Solution

The fourth proportional to 30,327.90, 45,491.85 and 27,047.40 is: 40,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.90 : 45,491.85 = 27,047.40 : x
  2. Step 2: Convert to fraction form
    30,327.90/45,491.85 = 27,047.40/x
  3. Step 3: Cross multiply
    30,327.90x = 45,491.85 × 27,047.40
  4. Step 4: Simplify right side
    30,327.90x = 1,230,436,263.69
  5. Step 5: Solve for x
    x = 1,230,436,263.69/30,327.90
  6. Step 6: Final answer
    x = 40,571.10

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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.