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Finding the Fourth Proportional to 45,100.80, 62,208 and 37,130.40

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Solution

The fourth proportional to 45,100.80, 62,208 and 37,130.40 is: 51,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,100.80 : 62,208 = 37,130.40 : x
  2. Step 2: Convert to fraction form
    45,100.80/62,208 = 37,130.40/x
  3. Step 3: Cross multiply
    45,100.80x = 62,208 × 37,130.40
  4. Step 4: Simplify right side
    45,100.80x = 2,309,807,923.20
  5. Step 5: Solve for x
    x = 2,309,807,923.20/45,100.80
  6. Step 6: Final answer
    x = 51,214.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.