Home / 39,918.02-59,882.49-31,613.49

Finding the Fourth Proportional to 39,918.02, 59,882.49 and 31,613.49

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Solution

The fourth proportional to 39,918.02, 59,882.49 and 31,613.49 is: 47,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,918.02 : 59,882.49 = 31,613.49 : x
  2. Step 2: Convert to fraction form
    39,918.02/59,882.49 = 31,613.49/x
  3. Step 3: Cross multiply
    39,918.02x = 59,882.49 × 31,613.49
  4. Step 4: Simplify right side
    39,918.02x = 1,893,094,498.79
  5. Step 5: Solve for x
    x = 1,893,094,498.79/39,918.02
  6. Step 6: Final answer
    x = 47,424.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.