Home / 64,621.15-96,931.88-19,642.92

Finding the Fourth Proportional to 64,621.15, 96,931.88 and 19,642.92

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Solution

The fourth proportional to 64,621.15, 96,931.88 and 19,642.92 is: 29,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,621.15 : 96,931.88 = 19,642.92 : x
  2. Step 2: Convert to fraction form
    64,621.15/96,931.88 = 19,642.92/x
  3. Step 3: Cross multiply
    64,621.15x = 96,931.88 × 19,642.92
  4. Step 4: Simplify right side
    64,621.15x = 1,904,025,164.29
  5. Step 5: Solve for x
    x = 1,904,025,164.29/64,621.15
  6. Step 6: Final answer
    x = 29,464.43

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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.