Home / 20,444.30-30,666.40-5,653.19

Finding the Fourth Proportional to 20,444.30, 30,666.40 and 5,653.19

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Solution

The fourth proportional to 20,444.30, 30,666.40 and 5,653.19 is: 8,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.30 : 30,666.40 = 5,653.19 : x
  2. Step 2: Convert to fraction form
    20,444.30/30,666.40 = 5,653.19/x
  3. Step 3: Cross multiply
    20,444.30x = 30,666.40 × 5,653.19
  4. Step 4: Simplify right side
    20,444.30x = 173,363,048.35
  5. Step 5: Solve for x
    x = 173,363,048.35/20,444.30
  6. Step 6: Final answer
    x = 8,479.77

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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.