Home / 46,712.91-64,420.28-30,769.65

Finding the Fourth Proportional to 46,712.91, 64,420.28 and 30,769.65

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Solution

The fourth proportional to 46,712.91, 64,420.28 and 30,769.65 is: 42,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,712.91 : 64,420.28 = 30,769.65 : x
  2. Step 2: Convert to fraction form
    46,712.91/64,420.28 = 30,769.65/x
  3. Step 3: Cross multiply
    46,712.91x = 64,420.28 × 30,769.65
  4. Step 4: Simplify right side
    46,712.91x = 1,982,189,314.65
  5. Step 5: Solve for x
    x = 1,982,189,314.65/46,712.91
  6. Step 6: Final answer
    x = 42,433.44

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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.