Home / 47,083.70-70,636.40-13,806.32

Finding the Fourth Proportional to 47,083.70, 70,636.40 and 13,806.32

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Solution

The fourth proportional to 47,083.70, 70,636.40 and 13,806.32 is: 20,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,083.70 : 70,636.40 = 13,806.32 : x
  2. Step 2: Convert to fraction form
    47,083.70/70,636.40 = 13,806.32/x
  3. Step 3: Cross multiply
    47,083.70x = 70,636.40 × 13,806.32
  4. Step 4: Simplify right side
    47,083.70x = 975,228,742.05
  5. Step 5: Solve for x
    x = 975,228,742.05/47,083.70
  6. Step 6: Final answer
    x = 20,712.66

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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.