Home / 30,443.03-42,011.63-17,014.85

Finding the Fourth Proportional to 30,443.03, 42,011.63 and 17,014.85

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Solution

The fourth proportional to 30,443.03, 42,011.63 and 17,014.85 is: 23,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443.03 : 42,011.63 = 17,014.85 : x
  2. Step 2: Convert to fraction form
    30,443.03/42,011.63 = 17,014.85/x
  3. Step 3: Cross multiply
    30,443.03x = 42,011.63 × 17,014.85
  4. Step 4: Simplify right side
    30,443.03x = 714,821,582.71
  5. Step 5: Solve for x
    x = 714,821,582.71/30,443.03
  6. Step 6: Final answer
    x = 23,480.63

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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.