Home / 47,601.45-71,387.78-14,312.68

Finding the Fourth Proportional to 47,601.45, 71,387.78 and 14,312.68

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Solution

The fourth proportional to 47,601.45, 71,387.78 and 14,312.68 is: 21,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,601.45 : 71,387.78 = 14,312.68 : x
  2. Step 2: Convert to fraction form
    47,601.45/71,387.78 = 14,312.68/x
  3. Step 3: Cross multiply
    47,601.45x = 71,387.78 × 14,312.68
  4. Step 4: Simplify right side
    47,601.45x = 1,021,750,308.36
  5. Step 5: Solve for x
    x = 1,021,750,308.36/47,601.45
  6. Step 6: Final answer
    x = 21,464.69

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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.