Home / 64,642.46-89,179.18-39,477.38

Finding the Fourth Proportional to 64,642.46, 89,179.18 and 39,477.38

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Solution

The fourth proportional to 64,642.46, 89,179.18 and 39,477.38 is: 54,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,642.46 : 89,179.18 = 39,477.38 : x
  2. Step 2: Convert to fraction form
    64,642.46/89,179.18 = 39,477.38/x
  3. Step 3: Cross multiply
    64,642.46x = 89,179.18 × 39,477.38
  4. Step 4: Simplify right side
    64,642.46x = 3,520,559,832.36
  5. Step 5: Solve for x
    x = 3,520,559,832.36/64,642.46
  6. Step 6: Final answer
    x = 54,462.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.