Home / 35,569.42-53,342.67-19,781.98

Finding the Fourth Proportional to 35,569.42, 53,342.67 and 19,781.98

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Solution

The fourth proportional to 35,569.42, 53,342.67 and 19,781.98 is: 29,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,569.42 : 53,342.67 = 19,781.98 : x
  2. Step 2: Convert to fraction form
    35,569.42/53,342.67 = 19,781.98/x
  3. Step 3: Cross multiply
    35,569.42x = 53,342.67 × 19,781.98
  4. Step 4: Simplify right side
    35,569.42x = 1,055,223,631.09
  5. Step 5: Solve for x
    x = 1,055,223,631.09/35,569.42
  6. Step 6: Final answer
    x = 29,666.60

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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.