Home / 43,261.60-64,762.80-25,722.40

Finding the Fourth Proportional to 43,261.60, 64,762.80 and 25,722.40

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Solution

The fourth proportional to 43,261.60, 64,762.80 and 25,722.40 is: 38,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,261.60 : 64,762.80 = 25,722.40 : x
  2. Step 2: Convert to fraction form
    43,261.60/64,762.80 = 25,722.40/x
  3. Step 3: Cross multiply
    43,261.60x = 64,762.80 × 25,722.40
  4. Step 4: Simplify right side
    43,261.60x = 1,665,854,646.72
  5. Step 5: Solve for x
    x = 1,665,854,646.72/43,261.60
  6. Step 6: Final answer
    x = 38,506.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.