Home / 56,338.33-77,746.91-31,187.83

Finding the Fourth Proportional to 56,338.33, 77,746.91 and 31,187.83

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Solution

The fourth proportional to 56,338.33, 77,746.91 and 31,187.83 is: 43,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,338.33 : 77,746.91 = 31,187.83 : x
  2. Step 2: Convert to fraction form
    56,338.33/77,746.91 = 31,187.83/x
  3. Step 3: Cross multiply
    56,338.33x = 77,746.91 × 31,187.83
  4. Step 4: Simplify right side
    56,338.33x = 2,424,757,412.11
  5. Step 5: Solve for x
    x = 2,424,757,412.11/56,338.33
  6. Step 6: Final answer
    x = 43,039.21

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1.5x scale

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.