Home / 35,543.81-53,323.92-12,170.25

Finding the Fourth Proportional to 35,543.81, 53,323.92 and 12,170.25

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Solution

The fourth proportional to 35,543.81, 53,323.92 and 12,170.25 is: 18,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,543.81 : 53,323.92 = 12,170.25 : x
  2. Step 2: Convert to fraction form
    35,543.81/53,323.92 = 12,170.25/x
  3. Step 3: Cross multiply
    35,543.81x = 53,323.92 × 12,170.25
  4. Step 4: Simplify right side
    35,543.81x = 648,965,437.38
  5. Step 5: Solve for x
    x = 648,965,437.38/35,543.81
  6. Step 6: Final answer
    x = 18,258.18

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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.