Home / 51,338.36-70,841.82-28,673.74

Finding the Fourth Proportional to 51,338.36, 70,841.82 and 28,673.74

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Solution

The fourth proportional to 51,338.36, 70,841.82 and 28,673.74 is: 39,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,338.36 : 70,841.82 = 28,673.74 : x
  2. Step 2: Convert to fraction form
    51,338.36/70,841.82 = 28,673.74/x
  3. Step 3: Cross multiply
    51,338.36x = 70,841.82 × 28,673.74
  4. Step 4: Simplify right side
    51,338.36x = 2,031,299,927.81
  5. Step 5: Solve for x
    x = 2,031,299,927.81/51,338.36
  6. Step 6: Final answer
    x = 39,566.90

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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.