Home / 30,454.28-42,024.21-17,023.76

Finding the Fourth Proportional to 30,454.28, 42,024.21 and 17,023.76

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Solution

The fourth proportional to 30,454.28, 42,024.21 and 17,023.76 is: 23,491.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454.28 : 42,024.21 = 17,023.76 : x
  2. Step 2: Convert to fraction form
    30,454.28/42,024.21 = 17,023.76/x
  3. Step 3: Cross multiply
    30,454.28x = 42,024.21 × 17,023.76
  4. Step 4: Simplify right side
    30,454.28x = 715,410,065.23
  5. Step 5: Solve for x
    x = 715,410,065.23/30,454.28
  6. Step 6: Final answer
    x = 23,491.28

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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.