Home / 35,681.80-53,518.47-9,388.60

Finding the Fourth Proportional to 35,681.80, 53,518.47 and 9,388.60

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Solution

The fourth proportional to 35,681.80, 53,518.47 and 9,388.60 is: 14,081.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.80 : 53,518.47 = 9,388.60 : x
  2. Step 2: Convert to fraction form
    35,681.80/53,518.47 = 9,388.60/x
  3. Step 3: Cross multiply
    35,681.80x = 53,518.47 × 9,388.60
  4. Step 4: Simplify right side
    35,681.80x = 502,463,507.44
  5. Step 5: Solve for x
    x = 502,463,507.44/35,681.80
  6. Step 6: Final answer
    x = 14,081.79

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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.