Home / 35,655.35-53,435.75-18,979.47

Finding the Fourth Proportional to 35,655.35, 53,435.75 and 18,979.47

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Solution

The fourth proportional to 35,655.35, 53,435.75 and 18,979.47 is: 28,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.35 : 53,435.75 = 18,979.47 : x
  2. Step 2: Convert to fraction form
    35,655.35/53,435.75 = 18,979.47/x
  3. Step 3: Cross multiply
    35,655.35x = 53,435.75 × 18,979.47
  4. Step 4: Simplify right side
    35,655.35x = 1,014,182,119.16
  5. Step 5: Solve for x
    x = 1,014,182,119.16/35,655.35
  6. Step 6: Final answer
    x = 28,444.04

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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.