Home / 56,858.20-78,464.62-31,365.46

Finding the Fourth Proportional to 56,858.20, 78,464.62 and 31,365.46

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Solution

The fourth proportional to 56,858.20, 78,464.62 and 31,365.46 is: 43,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,858.20 : 78,464.62 = 31,365.46 : x
  2. Step 2: Convert to fraction form
    56,858.20/78,464.62 = 31,365.46/x
  3. Step 3: Cross multiply
    56,858.20x = 78,464.62 × 31,365.46
  4. Step 4: Simplify right side
    56,858.20x = 2,461,078,900.03
  5. Step 5: Solve for x
    x = 2,461,078,900.03/56,858.20
  6. Step 6: Final answer
    x = 43,284.50

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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.