Home / 30,326.38-45,502.80-10,619.08

Finding the Fourth Proportional to 30,326.38, 45,502.80 and 10,619.08

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Solution

The fourth proportional to 30,326.38, 45,502.80 and 10,619.08 is: 15,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,326.38 : 45,502.80 = 10,619.08 : x
  2. Step 2: Convert to fraction form
    30,326.38/45,502.80 = 10,619.08/x
  3. Step 3: Cross multiply
    30,326.38x = 45,502.80 × 10,619.08
  4. Step 4: Simplify right side
    30,326.38x = 483,197,873.42
  5. Step 5: Solve for x
    x = 483,197,873.42/30,326.38
  6. Step 6: Final answer
    x = 15,933.25

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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.