Home / 31,595.98-47,581.48-28,135.66

Finding the Fourth Proportional to 31,595.98, 47,581.48 and 28,135.66

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Solution

The fourth proportional to 31,595.98, 47,581.48 and 28,135.66 is: 42,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,595.98 : 47,581.48 = 28,135.66 : x
  2. Step 2: Convert to fraction form
    31,595.98/47,581.48 = 28,135.66/x
  3. Step 3: Cross multiply
    31,595.98x = 47,581.48 × 28,135.66
  4. Step 4: Simplify right side
    31,595.98x = 1,338,736,343.58
  5. Step 5: Solve for x
    x = 1,338,736,343.58/31,595.98
  6. Step 6: Final answer
    x = 42,370.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.