Home / 39,519.51-54,590.18-31,618.23

Finding the Fourth Proportional to 39,519.51, 54,590.18 and 31,618.23

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Solution

The fourth proportional to 39,519.51, 54,590.18 and 31,618.23 is: 43,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,519.51 : 54,590.18 = 31,618.23 : x
  2. Step 2: Convert to fraction form
    39,519.51/54,590.18 = 31,618.23/x
  3. Step 3: Cross multiply
    39,519.51x = 54,590.18 × 31,618.23
  4. Step 4: Simplify right side
    39,519.51x = 1,726,044,708.89
  5. Step 5: Solve for x
    x = 1,726,044,708.89/39,519.51
  6. Step 6: Final answer
    x = 43,675.76

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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.