Home / 31,504,284.60-47,256,426.90-21,300,617.40

Finding the Fourth Proportional to 31,504,284.60, 47,256,426.90 and 21,300,617.40

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Solution

The fourth proportional to 31,504,284.60, 47,256,426.90 and 21,300,617.40 is: 31,950,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,284.60 : 47,256,426.90 = 21,300,617.40 : x
  2. Step 2: Convert to fraction form
    31,504,284.60/47,256,426.90 = 21,300,617.40/x
  3. Step 3: Cross multiply
    31,504,284.60x = 47,256,426.90 × 21,300,617.40
  4. Step 4: Simplify right side
    31,504,284.60x = 1,006,591,069,087,968
  5. Step 5: Solve for x
    x = 1,006,591,069,087,968/31,504,284.60
  6. Step 6: Final answer
    x = 31,950,926.10

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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.