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Finding the Fourth Proportional to 36,345.40, 51,000.20 and 36,345.40

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Solution

The fourth proportional to 36,345.40, 51,000.20 and 36,345.40 is: 51,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,345.40 : 51,000.20 = 36,345.40 : x
  2. Step 2: Convert to fraction form
    36,345.40/51,000.20 = 36,345.40/x
  3. Step 3: Cross multiply
    36,345.40x = 51,000.20 × 36,345.40
  4. Step 4: Simplify right side
    36,345.40x = 1,853,622,669.08
  5. Step 5: Solve for x
    x = 1,853,622,669.08/36,345.40
  6. Step 6: Final answer
    x = 51,000.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.