Home / 47,775.40-71,644.66-15,746.78

Finding the Fourth Proportional to 47,775.40, 71,644.66 and 15,746.78

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Solution

The fourth proportional to 47,775.40, 71,644.66 and 15,746.78 is: 23,614.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,775.40 : 71,644.66 = 15,746.78 : x
  2. Step 2: Convert to fraction form
    47,775.40/71,644.66 = 15,746.78/x
  3. Step 3: Cross multiply
    47,775.40x = 71,644.66 × 15,746.78
  4. Step 4: Simplify right side
    47,775.40x = 1,128,172,699.19
  5. Step 5: Solve for x
    x = 1,128,172,699.19/47,775.40
  6. Step 6: Final answer
    x = 23,614.09

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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.