Home / 30,444.15-42,014.90-17,015.97

Finding the Fourth Proportional to 30,444.15, 42,014.90 and 17,015.97

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Solution

The fourth proportional to 30,444.15, 42,014.90 and 17,015.97 is: 23,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.15 : 42,014.90 = 17,015.97 : x
  2. Step 2: Convert to fraction form
    30,444.15/42,014.90 = 17,015.97/x
  3. Step 3: Cross multiply
    30,444.15x = 42,014.90 × 17,015.97
  4. Step 4: Simplify right side
    30,444.15x = 714,924,478.05
  5. Step 5: Solve for x
    x = 714,924,478.05/30,444.15
  6. Step 6: Final answer
    x = 23,483.15

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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.