Home / 35,412.20-53,124.70-17,837.80

Finding the Fourth Proportional to 35,412.20, 53,124.70 and 17,837.80

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Solution

The fourth proportional to 35,412.20, 53,124.70 and 17,837.80 is: 26,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412.20 : 53,124.70 = 17,837.80 : x
  2. Step 2: Convert to fraction form
    35,412.20/53,124.70 = 17,837.80/x
  3. Step 3: Cross multiply
    35,412.20x = 53,124.70 × 17,837.80
  4. Step 4: Simplify right side
    35,412.20x = 947,627,773.66
  5. Step 5: Solve for x
    x = 947,627,773.66/35,412.20
  6. Step 6: Final answer
    x = 26,759.92

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1.5x scale

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.