Home / 30,444.17-42,012.11-17,015.51

Finding the Fourth Proportional to 30,444.17, 42,012.11 and 17,015.51

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Solution

The fourth proportional to 30,444.17, 42,012.11 and 17,015.51 is: 23,480.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.17 : 42,012.11 = 17,015.51 : x
  2. Step 2: Convert to fraction form
    30,444.17/42,012.11 = 17,015.51/x
  3. Step 3: Cross multiply
    30,444.17x = 42,012.11 × 17,015.51
  4. Step 4: Simplify right side
    30,444.17x = 714,857,625.40
  5. Step 5: Solve for x
    x = 714,857,625.40/30,444.17
  6. Step 6: Final answer
    x = 23,480.94

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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.