Home / 31,301,279.40-46,951,919.10-21,559,506.60

Finding the Fourth Proportional to 31,301,279.40, 46,951,919.10 and 21,559,506.60

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Solution

The fourth proportional to 31,301,279.40, 46,951,919.10 and 21,559,506.60 is: 32,339,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,301,279.40 : 46,951,919.10 = 21,559,506.60 : x
  2. Step 2: Convert to fraction form
    31,301,279.40/46,951,919.10 = 21,559,506.60/x
  3. Step 3: Cross multiply
    31,301,279.40x = 46,951,919.10 × 21,559,506.60
  4. Step 4: Simplify right side
    31,301,279.40x = 1,012,260,209,719,116.12
  5. Step 5: Solve for x
    x = 1,012,260,209,719,116.12/31,301,279.40
  6. Step 6: Final answer
    x = 32,339,259.90

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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.