Home / 34,807.58-47,998.14-20,657.69

Finding the Fourth Proportional to 34,807.58, 47,998.14 and 20,657.69

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Solution

The fourth proportional to 34,807.58, 47,998.14 and 20,657.69 is: 28,486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,807.58 : 47,998.14 = 20,657.69 : x
  2. Step 2: Convert to fraction form
    34,807.58/47,998.14 = 20,657.69/x
  3. Step 3: Cross multiply
    34,807.58x = 47,998.14 × 20,657.69
  4. Step 4: Simplify right side
    34,807.58x = 991,530,696.70
  5. Step 5: Solve for x
    x = 991,530,696.70/34,807.58
  6. Step 6: Final answer
    x = 28,486.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.