Home / 30,687.04-42,347.76-17,258.24

Finding the Fourth Proportional to 30,687.04, 42,347.76 and 17,258.24

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Solution

The fourth proportional to 30,687.04, 42,347.76 and 17,258.24 is: 23,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687.04 : 42,347.76 = 17,258.24 : x
  2. Step 2: Convert to fraction form
    30,687.04/42,347.76 = 17,258.24/x
  3. Step 3: Cross multiply
    30,687.04x = 42,347.76 × 17,258.24
  4. Step 4: Simplify right side
    30,687.04x = 730,847,805.54
  5. Step 5: Solve for x
    x = 730,847,805.54/30,687.04
  6. Step 6: Final answer
    x = 23,816.17

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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.