Home / 45,857.20-63,285.56-25,720.60

Finding the Fourth Proportional to 45,857.20, 63,285.56 and 25,720.60

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Solution

The fourth proportional to 45,857.20, 63,285.56 and 25,720.60 is: 35,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,857.20 : 63,285.56 = 25,720.60 : x
  2. Step 2: Convert to fraction form
    45,857.20/63,285.56 = 25,720.60/x
  3. Step 3: Cross multiply
    45,857.20x = 63,285.56 × 25,720.60
  4. Step 4: Simplify right side
    45,857.20x = 1,627,742,574.54
  5. Step 5: Solve for x
    x = 1,627,742,574.54/45,857.20
  6. Step 6: Final answer
    x = 35,495.90

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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.