Home / 35,382.60-53,065.36-10,415.86

Finding the Fourth Proportional to 35,382.60, 53,065.36 and 10,415.86

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Solution

The fourth proportional to 35,382.60, 53,065.36 and 10,415.86 is: 15,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,382.60 : 53,065.36 = 10,415.86 : x
  2. Step 2: Convert to fraction form
    35,382.60/53,065.36 = 10,415.86/x
  3. Step 3: Cross multiply
    35,382.60x = 53,065.36 × 10,415.86
  4. Step 4: Simplify right side
    35,382.60x = 552,721,360.61
  5. Step 5: Solve for x
    x = 552,721,360.61/35,382.60
  6. Step 6: Final answer
    x = 15,621.28

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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.