Home / 30,607.25-42,237.45-17,177.45

Finding the Fourth Proportional to 30,607.25, 42,237.45 and 17,177.45

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Solution

The fourth proportional to 30,607.25, 42,237.45 and 17,177.45 is: 23,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,607.25 : 42,237.45 = 17,177.45 : x
  2. Step 2: Convert to fraction form
    30,607.25/42,237.45 = 17,177.45/x
  3. Step 3: Cross multiply
    30,607.25x = 42,237.45 × 17,177.45
  4. Step 4: Simplify right side
    30,607.25x = 725,531,685.50
  5. Step 5: Solve for x
    x = 725,531,685.50/30,607.25
  6. Step 6: Final answer
    x = 23,704.57

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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.