Home / 29,459.81-40,669.58-19,949.96

Finding the Fourth Proportional to 29,459.81, 40,669.58 and 19,949.96

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Solution

The fourth proportional to 29,459.81, 40,669.58 and 19,949.96 is: 27,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,459.81 : 40,669.58 = 19,949.96 : x
  2. Step 2: Convert to fraction form
    29,459.81/40,669.58 = 19,949.96/x
  3. Step 3: Cross multiply
    29,459.81x = 40,669.58 × 19,949.96
  4. Step 4: Simplify right side
    29,459.81x = 811,356,394.47
  5. Step 5: Solve for x
    x = 811,356,394.47/29,459.81
  6. Step 6: Final answer
    x = 27,541.13

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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.