Home / 30,472.74-42,048.36-17,043.48

Finding the Fourth Proportional to 30,472.74, 42,048.36 and 17,043.48

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Solution

The fourth proportional to 30,472.74, 42,048.36 and 17,043.48 is: 23,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,472.74 : 42,048.36 = 17,043.48 : x
  2. Step 2: Convert to fraction form
    30,472.74/42,048.36 = 17,043.48/x
  3. Step 3: Cross multiply
    30,472.74x = 42,048.36 × 17,043.48
  4. Step 4: Simplify right side
    30,472.74x = 716,650,382.69
  5. Step 5: Solve for x
    x = 716,650,382.69/30,472.74
  6. Step 6: Final answer
    x = 23,517.75

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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.