Home / 47,164.42-70,722.28-13,880.16

Finding the Fourth Proportional to 47,164.42, 70,722.28 and 13,880.16

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Solution

The fourth proportional to 47,164.42, 70,722.28 and 13,880.16 is: 20,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,164.42 : 70,722.28 = 13,880.16 : x
  2. Step 2: Convert to fraction form
    47,164.42/70,722.28 = 13,880.16/x
  3. Step 3: Cross multiply
    47,164.42x = 70,722.28 × 13,880.16
  4. Step 4: Simplify right side
    47,164.42x = 981,636,561.96
  5. Step 5: Solve for x
    x = 981,636,561.96/47,164.42
  6. Step 6: Final answer
    x = 20,813.07

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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.