Home / 29,687.81-40,957.99-19,484.51

Finding the Fourth Proportional to 29,687.81, 40,957.99 and 19,484.51

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Solution

The fourth proportional to 29,687.81, 40,957.99 and 19,484.51 is: 26,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,687.81 : 40,957.99 = 19,484.51 : x
  2. Step 2: Convert to fraction form
    29,687.81/40,957.99 = 19,484.51/x
  3. Step 3: Cross multiply
    29,687.81x = 40,957.99 × 19,484.51
  4. Step 4: Simplify right side
    29,687.81x = 798,046,112.23
  5. Step 5: Solve for x
    x = 798,046,112.23/29,687.81
  6. Step 6: Final answer
    x = 26,881.28

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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.