Home / 56,412.36-77,849.10-31,261.86

Finding the Fourth Proportional to 56,412.36, 77,849.10 and 31,261.86

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Solution

The fourth proportional to 56,412.36, 77,849.10 and 31,261.86 is: 43,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,412.36 : 77,849.10 = 31,261.86 : x
  2. Step 2: Convert to fraction form
    56,412.36/77,849.10 = 31,261.86/x
  3. Step 3: Cross multiply
    56,412.36x = 77,849.10 × 31,261.86
  4. Step 4: Simplify right side
    56,412.36x = 2,433,707,665.33
  5. Step 5: Solve for x
    x = 2,433,707,665.33/56,412.36
  6. Step 6: Final answer
    x = 43,141.39

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1.5x scale

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.