Home / 30,235.43-45,337.52-13,581.22

Finding the Fourth Proportional to 30,235.43, 45,337.52 and 13,581.22

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Solution

The fourth proportional to 30,235.43, 45,337.52 and 13,581.22 is: 20,364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235.43 : 45,337.52 = 13,581.22 : x
  2. Step 2: Convert to fraction form
    30,235.43/45,337.52 = 13,581.22/x
  3. Step 3: Cross multiply
    30,235.43x = 45,337.52 × 13,581.22
  4. Step 4: Simplify right side
    30,235.43x = 615,738,838.99
  5. Step 5: Solve for x
    x = 615,738,838.99/30,235.43
  6. Step 6: Final answer
    x = 20,364.81

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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.