Home / 45,633.70-62,970.40-25,487.78

Finding the Fourth Proportional to 45,633.70, 62,970.40 and 25,487.78

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Solution

The fourth proportional to 45,633.70, 62,970.40 and 25,487.78 is: 35,170.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,633.70 : 62,970.40 = 25,487.78 : x
  2. Step 2: Convert to fraction form
    45,633.70/62,970.40 = 25,487.78/x
  3. Step 3: Cross multiply
    45,633.70x = 62,970.40 × 25,487.78
  4. Step 4: Simplify right side
    45,633.70x = 1,604,975,574.27
  5. Step 5: Solve for x
    x = 1,604,975,574.27/45,633.70
  6. Step 6: Final answer
    x = 35,170.84

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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.