Home / 30,775.74-42,470.01-17,347.02

Finding the Fourth Proportional to 30,775.74, 42,470.01 and 17,347.02

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Solution

The fourth proportional to 30,775.74, 42,470.01 and 17,347.02 is: 23,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,775.74 : 42,470.01 = 17,347.02 : x
  2. Step 2: Convert to fraction form
    30,775.74/42,470.01 = 17,347.02/x
  3. Step 3: Cross multiply
    30,775.74x = 42,470.01 × 17,347.02
  4. Step 4: Simplify right side
    30,775.74x = 736,728,112.87
  5. Step 5: Solve for x
    x = 736,728,112.87/30,775.74
  6. Step 6: Final answer
    x = 23,938.60

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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.