Home / 30,214.04-45,305.50-13,559.80

Finding the Fourth Proportional to 30,214.04, 45,305.50 and 13,559.80

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Solution

The fourth proportional to 30,214.04, 45,305.50 and 13,559.80 is: 20,332.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,214.04 : 45,305.50 = 13,559.80 : x
  2. Step 2: Convert to fraction form
    30,214.04/45,305.50 = 13,559.80/x
  3. Step 3: Cross multiply
    30,214.04x = 45,305.50 × 13,559.80
  4. Step 4: Simplify right side
    30,214.04x = 614,333,422.59
  5. Step 5: Solve for x
    x = 614,333,422.59/30,214.04
  6. Step 6: Final answer
    x = 20,332.71

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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.