Home / 84,509.44-126,756.64-25,358.24

Finding the Fourth Proportional to 84,509.44, 126,756.64 and 25,358.24

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Solution

The fourth proportional to 84,509.44, 126,756.64 and 25,358.24 is: 38,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,509.44 : 126,756.64 = 25,358.24 : x
  2. Step 2: Convert to fraction form
    84,509.44/126,756.64 = 25,358.24/x
  3. Step 3: Cross multiply
    84,509.44x = 126,756.64 × 25,358.24
  4. Step 4: Simplify right side
    84,509.44x = 3,214,325,298.71
  5. Step 5: Solve for x
    x = 3,214,325,298.71/84,509.44
  6. Step 6: Final answer
    x = 38,035.10

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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.