Home / 56,350.69-77,763.95-31,201.81

Finding the Fourth Proportional to 56,350.69, 77,763.95 and 31,201.81

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Solution

The fourth proportional to 56,350.69, 77,763.95 and 31,201.81 is: 43,058.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,350.69 : 77,763.95 = 31,201.81 : x
  2. Step 2: Convert to fraction form
    56,350.69/77,763.95 = 31,201.81/x
  3. Step 3: Cross multiply
    56,350.69x = 77,763.95 × 31,201.81
  4. Step 4: Simplify right side
    56,350.69x = 2,426,375,759.34
  5. Step 5: Solve for x
    x = 2,426,375,759.34/56,350.69
  6. Step 6: Final answer
    x = 43,058.49

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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.