Home / 20,376.48-30,564.70-5,585.46

Finding the Fourth Proportional to 20,376.48, 30,564.70 and 5,585.46

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Solution

The fourth proportional to 20,376.48, 30,564.70 and 5,585.46 is: 8,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376.48 : 30,564.70 = 5,585.46 : x
  2. Step 2: Convert to fraction form
    20,376.48/30,564.70 = 5,585.46/x
  3. Step 3: Cross multiply
    20,376.48x = 30,564.70 × 5,585.46
  4. Step 4: Simplify right side
    20,376.48x = 170,717,909.26
  5. Step 5: Solve for x
    x = 170,717,909.26/20,376.48
  6. Step 6: Final answer
    x = 8,378.18

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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.