Home / 30,465.11-42,039-17,035.92

Finding the Fourth Proportional to 30,465.11, 42,039 and 17,035.92

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Solution

The fourth proportional to 30,465.11, 42,039 and 17,035.92 is: 23,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,465.11 : 42,039 = 17,035.92 : x
  2. Step 2: Convert to fraction form
    30,465.11/42,039 = 17,035.92/x
  3. Step 3: Cross multiply
    30,465.11x = 42,039 × 17,035.92
  4. Step 4: Simplify right side
    30,465.11x = 716,173,040.88
  5. Step 5: Solve for x
    x = 716,173,040.88/30,465.11
  6. Step 6: Final answer
    x = 23,507.97

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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.