Home / 30,480.64-45,727.86-10,759.34

Finding the Fourth Proportional to 30,480.64, 45,727.86 and 10,759.34

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Solution

The fourth proportional to 30,480.64, 45,727.86 and 10,759.34 is: 16,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480.64 : 45,727.86 = 10,759.34 : x
  2. Step 2: Convert to fraction form
    30,480.64/45,727.86 = 10,759.34/x
  3. Step 3: Cross multiply
    30,480.64x = 45,727.86 × 10,759.34
  4. Step 4: Simplify right side
    30,480.64x = 492,001,593.21
  5. Step 5: Solve for x
    x = 492,001,593.21/30,480.64
  6. Step 6: Final answer
    x = 16,141.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.