Home / 47,013.80-70,521.16-11,953.46

Finding the Fourth Proportional to 47,013.80, 70,521.16 and 11,953.46

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Solution

The fourth proportional to 47,013.80, 70,521.16 and 11,953.46 is: 17,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,013.80 : 70,521.16 = 11,953.46 : x
  2. Step 2: Convert to fraction form
    47,013.80/70,521.16 = 11,953.46/x
  3. Step 3: Cross multiply
    47,013.80x = 70,521.16 × 11,953.46
  4. Step 4: Simplify right side
    47,013.80x = 842,971,865.21
  5. Step 5: Solve for x
    x = 842,971,865.21/47,013.80
  6. Step 6: Final answer
    x = 17,930.31

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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.