Home / 45,869.64-68,746.14-20,923.26

Finding the Fourth Proportional to 45,869.64, 68,746.14 and 20,923.26

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Solution

The fourth proportional to 45,869.64, 68,746.14 and 20,923.26 is: 31,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,869.64 : 68,746.14 = 20,923.26 : x
  2. Step 2: Convert to fraction form
    45,869.64/68,746.14 = 20,923.26/x
  3. Step 3: Cross multiply
    45,869.64x = 68,746.14 × 20,923.26
  4. Step 4: Simplify right side
    45,869.64x = 1,438,393,361.22
  5. Step 5: Solve for x
    x = 1,438,393,361.22/45,869.64
  6. Step 6: Final answer
    x = 31,358.29

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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.