Home / 40,681.85-61,020.95-14,386.82

Finding the Fourth Proportional to 40,681.85, 61,020.95 and 14,386.82

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Solution

The fourth proportional to 40,681.85, 61,020.95 and 14,386.82 is: 21,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,681.85 : 61,020.95 = 14,386.82 : x
  2. Step 2: Convert to fraction form
    40,681.85/61,020.95 = 14,386.82/x
  3. Step 3: Cross multiply
    40,681.85x = 61,020.95 × 14,386.82
  4. Step 4: Simplify right side
    40,681.85x = 877,897,046.84
  5. Step 5: Solve for x
    x = 877,897,046.84/40,681.85
  6. Step 6: Final answer
    x = 21,579.58

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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.