Home / 30,443.67-42,011.41-17,015.02

Finding the Fourth Proportional to 30,443.67, 42,011.41 and 17,015.02

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Solution

The fourth proportional to 30,443.67, 42,011.41 and 17,015.02 is: 23,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443.67 : 42,011.41 = 17,015.02 : x
  2. Step 2: Convert to fraction form
    30,443.67/42,011.41 = 17,015.02/x
  3. Step 3: Cross multiply
    30,443.67x = 42,011.41 × 17,015.02
  4. Step 4: Simplify right side
    30,443.67x = 714,824,981.38
  5. Step 5: Solve for x
    x = 714,824,981.38/30,443.67
  6. Step 6: Final answer
    x = 23,480.25

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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.