Home / 47,421.33-71,142.32-14,144.10

Finding the Fourth Proportional to 47,421.33, 71,142.32 and 14,144.10

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Solution

The fourth proportional to 47,421.33, 71,142.32 and 14,144.10 is: 21,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,421.33 : 71,142.32 = 14,144.10 : x
  2. Step 2: Convert to fraction form
    47,421.33/71,142.32 = 14,144.10/x
  3. Step 3: Cross multiply
    47,421.33x = 71,142.32 × 14,144.10
  4. Step 4: Simplify right side
    47,421.33x = 1,006,244,088.31
  5. Step 5: Solve for x
    x = 1,006,244,088.31/47,421.33
  6. Step 6: Final answer
    x = 21,219.23

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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.