Home / 30,119.53-41,565.86-16,689.53

Finding the Fourth Proportional to 30,119.53, 41,565.86 and 16,689.53

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Solution

The fourth proportional to 30,119.53, 41,565.86 and 16,689.53 is: 23,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.53 : 41,565.86 = 16,689.53 : x
  2. Step 2: Convert to fraction form
    30,119.53/41,565.86 = 16,689.53/x
  3. Step 3: Cross multiply
    30,119.53x = 41,565.86 × 16,689.53
  4. Step 4: Simplify right side
    30,119.53x = 693,714,688.51
  5. Step 5: Solve for x
    x = 693,714,688.51/30,119.53
  6. Step 6: Final answer
    x = 23,032.05

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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.