Home / 56,567.07-78,060.39-31,418.19

Finding the Fourth Proportional to 56,567.07, 78,060.39 and 31,418.19

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Solution

The fourth proportional to 56,567.07, 78,060.39 and 31,418.19 is: 43,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,567.07 : 78,060.39 = 31,418.19 : x
  2. Step 2: Convert to fraction form
    56,567.07/78,060.39 = 31,418.19/x
  3. Step 3: Cross multiply
    56,567.07x = 78,060.39 × 31,418.19
  4. Step 4: Simplify right side
    56,567.07x = 2,452,516,164.49
  5. Step 5: Solve for x
    x = 2,452,516,164.49/56,567.07
  6. Step 6: Final answer
    x = 43,355.90

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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.