Home / 35,411.16-53,004.42-19,781.40

Finding the Fourth Proportional to 35,411.16, 53,004.42 and 19,781.40

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Solution

The fourth proportional to 35,411.16, 53,004.42 and 19,781.40 is: 29,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,411.16 : 53,004.42 = 19,781.40 : x
  2. Step 2: Convert to fraction form
    35,411.16/53,004.42 = 19,781.40/x
  3. Step 3: Cross multiply
    35,411.16x = 53,004.42 × 19,781.40
  4. Step 4: Simplify right side
    35,411.16x = 1,048,501,633.79
  5. Step 5: Solve for x
    x = 1,048,501,633.79/35,411.16
  6. Step 6: Final answer
    x = 29,609.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.