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Finding the Fourth Proportional to 56,813.36, 85,220.01 and 15,260.36

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Solution

The fourth proportional to 56,813.36, 85,220.01 and 15,260.36 is: 22,890.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,813.36 : 85,220.01 = 15,260.36 : x
  2. Step 2: Convert to fraction form
    56,813.36/85,220.01 = 15,260.36/x
  3. Step 3: Cross multiply
    56,813.36x = 85,220.01 × 15,260.36
  4. Step 4: Simplify right side
    56,813.36x = 1,300,487,605.70
  5. Step 5: Solve for x
    x = 1,300,487,605.70/56,813.36
  6. Step 6: Final answer
    x = 22,890.53

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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.