Home / 43,314.40-64,971.60-26,620.30

Finding the Fourth Proportional to 43,314.40, 64,971.60 and 26,620.30

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Solution

The fourth proportional to 43,314.40, 64,971.60 and 26,620.30 is: 39,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,314.40 : 64,971.60 = 26,620.30 : x
  2. Step 2: Convert to fraction form
    43,314.40/64,971.60 = 26,620.30/x
  3. Step 3: Cross multiply
    43,314.40x = 64,971.60 × 26,620.30
  4. Step 4: Simplify right side
    43,314.40x = 1,729,563,483.48
  5. Step 5: Solve for x
    x = 1,729,563,483.48/43,314.40
  6. Step 6: Final answer
    x = 39,930.45

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1.5x scale

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.