Home / 47,376.81-65,403.68-29,477.61

Finding the Fourth Proportional to 47,376.81, 65,403.68 and 29,477.61

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Solution

The fourth proportional to 47,376.81, 65,403.68 and 29,477.61 is: 40,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,376.81 : 65,403.68 = 29,477.61 : x
  2. Step 2: Convert to fraction form
    47,376.81/65,403.68 = 29,477.61/x
  3. Step 3: Cross multiply
    47,376.81x = 65,403.68 × 29,477.61
  4. Step 4: Simplify right side
    47,376.81x = 1,927,944,024.22
  5. Step 5: Solve for x
    x = 1,927,944,024.22/47,376.81
  6. Step 6: Final answer
    x = 40,693.83

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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.