Home / 47,265.63-70,878.39-13,976.75

Finding the Fourth Proportional to 47,265.63, 70,878.39 and 13,976.75

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Solution

The fourth proportional to 47,265.63, 70,878.39 and 13,976.75 is: 20,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,265.63 : 70,878.39 = 13,976.75 : x
  2. Step 2: Convert to fraction form
    47,265.63/70,878.39 = 13,976.75/x
  3. Step 3: Cross multiply
    47,265.63x = 70,878.39 × 13,976.75
  4. Step 4: Simplify right side
    47,265.63x = 990,649,740.83
  5. Step 5: Solve for x
    x = 990,649,740.83/47,265.63
  6. Step 6: Final answer
    x = 20,959.20

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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.