Home / 56,371.59-84,567.10-18,935.26

Finding the Fourth Proportional to 56,371.59, 84,567.10 and 18,935.26

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Solution

The fourth proportional to 56,371.59, 84,567.10 and 18,935.26 is: 28,406.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,371.59 : 84,567.10 = 18,935.26 : x
  2. Step 2: Convert to fraction form
    56,371.59/84,567.10 = 18,935.26/x
  3. Step 3: Cross multiply
    56,371.59x = 84,567.10 × 18,935.26
  4. Step 4: Simplify right side
    56,371.59x = 1,601,299,767.19
  5. Step 5: Solve for x
    x = 1,601,299,767.19/56,371.59
  6. Step 6: Final answer
    x = 28,406.15

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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.