Home / 30,446.15-42,015.54-17,017.40

Finding the Fourth Proportional to 30,446.15, 42,015.54 and 17,017.40

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Solution

The fourth proportional to 30,446.15, 42,015.54 and 17,017.40 is: 23,483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,446.15 : 42,015.54 = 17,017.40 : x
  2. Step 2: Convert to fraction form
    30,446.15/42,015.54 = 17,017.40/x
  3. Step 3: Cross multiply
    30,446.15x = 42,015.54 × 17,017.40
  4. Step 4: Simplify right side
    30,446.15x = 714,995,040.32
  5. Step 5: Solve for x
    x = 714,995,040.32/30,446.15
  6. Step 6: Final answer
    x = 23,483.93

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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.