Home / 30,444.32-42,013.04-17,015.56

Finding the Fourth Proportional to 30,444.32, 42,013.04 and 17,015.56

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Solution

The fourth proportional to 30,444.32, 42,013.04 and 17,015.56 is: 23,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.32 : 42,013.04 = 17,015.56 : x
  2. Step 2: Convert to fraction form
    30,444.32/42,013.04 = 17,015.56/x
  3. Step 3: Cross multiply
    30,444.32x = 42,013.04 × 17,015.56
  4. Step 4: Simplify right side
    30,444.32x = 714,875,402.90
  5. Step 5: Solve for x
    x = 714,875,402.90/30,444.32
  6. Step 6: Final answer
    x = 23,481.40

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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.