Home / 29,387.81-40,567.59-19,840.63

Finding the Fourth Proportional to 29,387.81, 40,567.59 and 19,840.63

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Solution

The fourth proportional to 29,387.81, 40,567.59 and 19,840.63 is: 27,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.81 : 40,567.59 = 19,840.63 : x
  2. Step 2: Convert to fraction form
    29,387.81/40,567.59 = 19,840.63/x
  3. Step 3: Cross multiply
    29,387.81x = 40,567.59 × 19,840.63
  4. Step 4: Simplify right side
    29,387.81x = 804,886,554.61
  5. Step 5: Solve for x
    x = 804,886,554.61/29,387.81
  6. Step 6: Final answer
    x = 27,388.45

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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.