Home / 30,479.45-42,062.48-17,053.02

Finding the Fourth Proportional to 30,479.45, 42,062.48 and 17,053.02

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Solution

The fourth proportional to 30,479.45, 42,062.48 and 17,053.02 is: 23,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,479.45 : 42,062.48 = 17,053.02 : x
  2. Step 2: Convert to fraction form
    30,479.45/42,062.48 = 17,053.02/x
  3. Step 3: Cross multiply
    30,479.45x = 42,062.48 × 17,053.02
  4. Step 4: Simplify right side
    30,479.45x = 717,292,227.42
  5. Step 5: Solve for x
    x = 717,292,227.42/30,479.45
  6. Step 6: Final answer
    x = 23,533.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.