Home / 30,366.54-45,528.30-13,490.28

Finding the Fourth Proportional to 30,366.54, 45,528.30 and 13,490.28

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Solution

The fourth proportional to 30,366.54, 45,528.30 and 13,490.28 is: 20,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.54 : 45,528.30 = 13,490.28 : x
  2. Step 2: Convert to fraction form
    30,366.54/45,528.30 = 13,490.28/x
  3. Step 3: Cross multiply
    30,366.54x = 45,528.30 × 13,490.28
  4. Step 4: Simplify right side
    30,366.54x = 614,189,514.92
  5. Step 5: Solve for x
    x = 614,189,514.92/30,366.54
  6. Step 6: Final answer
    x = 20,225.86

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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.