Home / 56,501.48-77,971.79-31,008.26

Finding the Fourth Proportional to 56,501.48, 77,971.79 and 31,008.26

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Solution

The fourth proportional to 56,501.48, 77,971.79 and 31,008.26 is: 42,791.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,501.48 : 77,971.79 = 31,008.26 : x
  2. Step 2: Convert to fraction form
    56,501.48/77,971.79 = 31,008.26/x
  3. Step 3: Cross multiply
    56,501.48x = 77,971.79 × 31,008.26
  4. Step 4: Simplify right side
    56,501.48x = 2,417,768,992.09
  5. Step 5: Solve for x
    x = 2,417,768,992.09/56,501.48
  6. Step 6: Final answer
    x = 42,791.25

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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.