Home / 56,916.22-78,544.51-31,422.64

Finding the Fourth Proportional to 56,916.22, 78,544.51 and 31,422.64

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Solution

The fourth proportional to 56,916.22, 78,544.51 and 31,422.64 is: 43,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,916.22 : 78,544.51 = 31,422.64 : x
  2. Step 2: Convert to fraction form
    56,916.22/78,544.51 = 31,422.64/x
  3. Step 3: Cross multiply
    56,916.22x = 78,544.51 × 31,422.64
  4. Step 4: Simplify right side
    56,916.22x = 2,468,075,508.23
  5. Step 5: Solve for x
    x = 2,468,075,508.23/56,916.22
  6. Step 6: Final answer
    x = 43,363.30

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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.