Home / 56,881.48-78,501.41-31,390.24

Finding the Fourth Proportional to 56,881.48, 78,501.41 and 31,390.24

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Solution

The fourth proportional to 56,881.48, 78,501.41 and 31,390.24 is: 43,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,881.48 : 78,501.41 = 31,390.24 : x
  2. Step 2: Convert to fraction form
    56,881.48/78,501.41 = 31,390.24/x
  3. Step 3: Cross multiply
    56,881.48x = 78,501.41 × 31,390.24
  4. Step 4: Simplify right side
    56,881.48x = 2,464,177,943.29
  5. Step 5: Solve for x
    x = 2,464,177,943.29/56,881.48
  6. Step 6: Final answer
    x = 43,321.27

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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.