Home / 35,390-53,109.30-14,613.68

Finding the Fourth Proportional to 35,390, 53,109.30 and 14,613.68

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Solution

The fourth proportional to 35,390, 53,109.30 and 14,613.68 is: 21,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,390 : 53,109.30 = 14,613.68 : x
  2. Step 2: Convert to fraction form
    35,390/53,109.30 = 14,613.68/x
  3. Step 3: Cross multiply
    35,390x = 53,109.30 × 14,613.68
  4. Step 4: Simplify right side
    35,390x = 776,122,315.22
  5. Step 5: Solve for x
    x = 776,122,315.22/35,390
  6. Step 6: Final answer
    x = 21,930.55

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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.