Home / 31,130.74-42,964.05-17,334.46

Finding the Fourth Proportional to 31,130.74, 42,964.05 and 17,334.46

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Solution

The fourth proportional to 31,130.74, 42,964.05 and 17,334.46 is: 23,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,130.74 : 42,964.05 = 17,334.46 : x
  2. Step 2: Convert to fraction form
    31,130.74/42,964.05 = 17,334.46/x
  3. Step 3: Cross multiply
    31,130.74x = 42,964.05 × 17,334.46
  4. Step 4: Simplify right side
    31,130.74x = 744,758,606.16
  5. Step 5: Solve for x
    x = 744,758,606.16/31,130.74
  6. Step 6: Final answer
    x = 23,923.58

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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.