Home / 30,655.02-42,304.68-17,225.47

Finding the Fourth Proportional to 30,655.02, 42,304.68 and 17,225.47

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Solution

The fourth proportional to 30,655.02, 42,304.68 and 17,225.47 is: 23,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655.02 : 42,304.68 = 17,225.47 : x
  2. Step 2: Convert to fraction form
    30,655.02/42,304.68 = 17,225.47/x
  3. Step 3: Cross multiply
    30,655.02x = 42,304.68 × 17,225.47
  4. Step 4: Simplify right side
    30,655.02x = 728,717,890.44
  5. Step 5: Solve for x
    x = 728,717,890.44/30,655.02
  6. Step 6: Final answer
    x = 23,771.57

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1.5x scale

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.