Home / 56,886.53-78,505.01-31,394.50

Finding the Fourth Proportional to 56,886.53, 78,505.01 and 31,394.50

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Solution

The fourth proportional to 56,886.53, 78,505.01 and 31,394.50 is: 43,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,886.53 : 78,505.01 = 31,394.50 : x
  2. Step 2: Convert to fraction form
    56,886.53/78,505.01 = 31,394.50/x
  3. Step 3: Cross multiply
    56,886.53x = 78,505.01 × 31,394.50
  4. Step 4: Simplify right side
    56,886.53x = 2,464,625,477.60
  5. Step 5: Solve for x
    x = 2,464,625,477.60/56,886.53
  6. Step 6: Final answer
    x = 43,325.29

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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.