Home / 56,717.09-78,266.89-31,222.93

Finding the Fourth Proportional to 56,717.09, 78,266.89 and 31,222.93

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Solution

The fourth proportional to 56,717.09, 78,266.89 and 31,222.93 is: 43,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,717.09 : 78,266.89 = 31,222.93 : x
  2. Step 2: Convert to fraction form
    56,717.09/78,266.89 = 31,222.93/x
  3. Step 3: Cross multiply
    56,717.09x = 78,266.89 × 31,222.93
  4. Step 4: Simplify right side
    56,717.09x = 2,443,721,627.79
  5. Step 5: Solve for x
    x = 2,443,721,627.79/56,717.09
  6. Step 6: Final answer
    x = 43,086.16

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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.