Home / 64,631.36-96,947.04-20,258.34

Finding the Fourth Proportional to 64,631.36, 96,947.04 and 20,258.34

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Solution

The fourth proportional to 64,631.36, 96,947.04 and 20,258.34 is: 30,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,631.36 : 96,947.04 = 20,258.34 : x
  2. Step 2: Convert to fraction form
    64,631.36/96,947.04 = 20,258.34/x
  3. Step 3: Cross multiply
    64,631.36x = 96,947.04 × 20,258.34
  4. Step 4: Simplify right side
    64,631.36x = 1,963,986,098.31
  5. Step 5: Solve for x
    x = 1,963,986,098.31/64,631.36
  6. Step 6: Final answer
    x = 30,387.51

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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.