Home / 56,886.66-78,503.04-31,393.26

Finding the Fourth Proportional to 56,886.66, 78,503.04 and 31,393.26

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Solution

The fourth proportional to 56,886.66, 78,503.04 and 31,393.26 is: 43,322.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,886.66 : 78,503.04 = 31,393.26 : x
  2. Step 2: Convert to fraction form
    56,886.66/78,503.04 = 31,393.26/x
  3. Step 3: Cross multiply
    56,886.66x = 78,503.04 × 31,393.26
  4. Step 4: Simplify right side
    56,886.66x = 2,464,466,345.51
  5. Step 5: Solve for x
    x = 2,464,466,345.51/56,886.66
  6. Step 6: Final answer
    x = 43,322.39

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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.