Home / 53,246.74-73,484.13-30,890.74

Finding the Fourth Proportional to 53,246.74, 73,484.13 and 30,890.74

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Solution

The fourth proportional to 53,246.74, 73,484.13 and 30,890.74 is: 42,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,246.74 : 73,484.13 = 30,890.74 : x
  2. Step 2: Convert to fraction form
    53,246.74/73,484.13 = 30,890.74/x
  3. Step 3: Cross multiply
    53,246.74x = 73,484.13 × 30,890.74
  4. Step 4: Simplify right side
    53,246.74x = 2,269,979,153.96
  5. Step 5: Solve for x
    x = 2,269,979,153.96/53,246.74
  6. Step 6: Final answer
    x = 42,631.33

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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.