Home / 47,099.80-70,659.46-13,820.95

Finding the Fourth Proportional to 47,099.80, 70,659.46 and 13,820.95

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Solution

The fourth proportional to 47,099.80, 70,659.46 and 13,820.95 is: 20,734.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,099.80 : 70,659.46 = 13,820.95 : x
  2. Step 2: Convert to fraction form
    47,099.80/70,659.46 = 13,820.95/x
  3. Step 3: Cross multiply
    47,099.80x = 70,659.46 × 13,820.95
  4. Step 4: Simplify right side
    47,099.80x = 976,580,510.39
  5. Step 5: Solve for x
    x = 976,580,510.39/47,099.80
  6. Step 6: Final answer
    x = 20,734.28

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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.