Home / 30,370.35-45,555.59-15,571.18

Finding the Fourth Proportional to 30,370.35, 45,555.59 and 15,571.18

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Solution

The fourth proportional to 30,370.35, 45,555.59 and 15,571.18 is: 23,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.35 : 45,555.59 = 15,571.18 : x
  2. Step 2: Convert to fraction form
    30,370.35/45,555.59 = 15,571.18/x
  3. Step 3: Cross multiply
    30,370.35x = 45,555.59 × 15,571.18
  4. Step 4: Simplify right side
    30,370.35x = 709,354,291.90
  5. Step 5: Solve for x
    x = 709,354,291.90/30,370.35
  6. Step 6: Final answer
    x = 23,356.80

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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.