Home / 51,036.45-70,434.23-28,377.33

Finding the Fourth Proportional to 51,036.45, 70,434.23 and 28,377.33

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Solution

The fourth proportional to 51,036.45, 70,434.23 and 28,377.33 is: 39,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,036.45 : 70,434.23 = 28,377.33 : x
  2. Step 2: Convert to fraction form
    51,036.45/70,434.23 = 28,377.33/x
  3. Step 3: Cross multiply
    51,036.45x = 70,434.23 × 28,377.33
  4. Step 4: Simplify right side
    51,036.45x = 1,998,735,246.12
  5. Step 5: Solve for x
    x = 1,998,735,246.12/51,036.45
  6. Step 6: Final answer
    x = 39,162.90

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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.