Home / 47,275.15-70,913.46-13,998.58

Finding the Fourth Proportional to 47,275.15, 70,913.46 and 13,998.58

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Solution

The fourth proportional to 47,275.15, 70,913.46 and 13,998.58 is: 20,998.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,275.15 : 70,913.46 = 13,998.58 : x
  2. Step 2: Convert to fraction form
    47,275.15/70,913.46 = 13,998.58/x
  3. Step 3: Cross multiply
    47,275.15x = 70,913.46 × 13,998.58
  4. Step 4: Simplify right side
    47,275.15x = 992,687,742.89
  5. Step 5: Solve for x
    x = 992,687,742.89/47,275.15
  6. Step 6: Final answer
    x = 20,998.09

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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.