Home / 47,211.31-70,817.13-17,628.83

Finding the Fourth Proportional to 47,211.31, 70,817.13 and 17,628.83

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Solution

The fourth proportional to 47,211.31, 70,817.13 and 17,628.83 is: 26,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.31 : 70,817.13 = 17,628.83 : x
  2. Step 2: Convert to fraction form
    47,211.31/70,817.13 = 17,628.83/x
  3. Step 3: Cross multiply
    47,211.31x = 70,817.13 × 17,628.83
  4. Step 4: Simplify right side
    47,211.31x = 1,248,423,145.86
  5. Step 5: Solve for x
    x = 1,248,423,145.86/47,211.31
  6. Step 6: Final answer
    x = 26,443.31

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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.