Home / 64,315.18-96,482.11-19,945.51

Finding the Fourth Proportional to 64,315.18, 96,482.11 and 19,945.51

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Solution

The fourth proportional to 64,315.18, 96,482.11 and 19,945.51 is: 29,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,315.18 : 96,482.11 = 19,945.51 : x
  2. Step 2: Convert to fraction form
    64,315.18/96,482.11 = 19,945.51/x
  3. Step 3: Cross multiply
    64,315.18x = 96,482.11 × 19,945.51
  4. Step 4: Simplify right side
    64,315.18x = 1,924,384,889.83
  5. Step 5: Solve for x
    x = 1,924,384,889.83/64,315.18
  6. Step 6: Final answer
    x = 29,921.16

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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.