Home / 64,315.32-96,482.31-19,945.64

Finding the Fourth Proportional to 64,315.32, 96,482.31 and 19,945.64

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Solution

The fourth proportional to 64,315.32, 96,482.31 and 19,945.64 is: 29,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,315.32 : 96,482.31 = 19,945.64 : x
  2. Step 2: Convert to fraction form
    64,315.32/96,482.31 = 19,945.64/x
  3. Step 3: Cross multiply
    64,315.32x = 96,482.31 × 19,945.64
  4. Step 4: Simplify right side
    64,315.32x = 1,924,401,588.04
  5. Step 5: Solve for x
    x = 1,924,401,588.04/64,315.32
  6. Step 6: Final answer
    x = 29,921.36

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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.