Home / 56,220.51-77,581.76-34,719.87

Finding the Fourth Proportional to 56,220.51, 77,581.76 and 34,719.87

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Solution

The fourth proportional to 56,220.51, 77,581.76 and 34,719.87 is: 47,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,220.51 : 77,581.76 = 34,719.87 : x
  2. Step 2: Convert to fraction form
    56,220.51/77,581.76 = 34,719.87/x
  3. Step 3: Cross multiply
    56,220.51x = 77,581.76 × 34,719.87
  4. Step 4: Simplify right side
    56,220.51x = 2,693,628,447.97
  5. Step 5: Solve for x
    x = 2,693,628,447.97/56,220.51
  6. Step 6: Final answer
    x = 47,911.85

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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.