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Finding the Fourth Proportional to 56,216.67, 77,569.65 and 33,564.81

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Solution

The fourth proportional to 56,216.67, 77,569.65 and 33,564.81 is: 46,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,216.67 : 77,569.65 = 33,564.81 : x
  2. Step 2: Convert to fraction form
    56,216.67/77,569.65 = 33,564.81/x
  3. Step 3: Cross multiply
    56,216.67x = 77,569.65 × 33,564.81
  4. Step 4: Simplify right side
    56,216.67x = 2,603,610,854.90
  5. Step 5: Solve for x
    x = 2,603,610,854.90/56,216.67
  6. Step 6: Final answer
    x = 46,313.86

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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.