Home / 49,437.09-74,159.10-19,854.95

Finding the Fourth Proportional to 49,437.09, 74,159.10 and 19,854.95

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Solution

The fourth proportional to 49,437.09, 74,159.10 and 19,854.95 is: 29,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,437.09 : 74,159.10 = 19,854.95 : x
  2. Step 2: Convert to fraction form
    49,437.09/74,159.10 = 19,854.95/x
  3. Step 3: Cross multiply
    49,437.09x = 74,159.10 × 19,854.95
  4. Step 4: Simplify right side
    49,437.09x = 1,472,424,851.75
  5. Step 5: Solve for x
    x = 1,472,424,851.75/49,437.09
  6. Step 6: Final answer
    x = 29,783.81

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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.