Home / 34,310.56-47,346.96-19,403.68

Finding the Fourth Proportional to 34,310.56, 47,346.96 and 19,403.68

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Solution

The fourth proportional to 34,310.56, 47,346.96 and 19,403.68 is: 26,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,310.56 : 47,346.96 = 19,403.68 : x
  2. Step 2: Convert to fraction form
    34,310.56/47,346.96 = 19,403.68/x
  3. Step 3: Cross multiply
    34,310.56x = 47,346.96 × 19,403.68
  4. Step 4: Simplify right side
    34,310.56x = 918,705,260.81
  5. Step 5: Solve for x
    x = 918,705,260.81/34,310.56
  6. Step 6: Final answer
    x = 26,776.17

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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.