Home / 30,670.07-45,923.02-18,009.38

Finding the Fourth Proportional to 30,670.07, 45,923.02 and 18,009.38

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Solution

The fourth proportional to 30,670.07, 45,923.02 and 18,009.38 is: 26,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.07 : 45,923.02 = 18,009.38 : x
  2. Step 2: Convert to fraction form
    30,670.07/45,923.02 = 18,009.38/x
  3. Step 3: Cross multiply
    30,670.07x = 45,923.02 × 18,009.38
  4. Step 4: Simplify right side
    30,670.07x = 827,045,187.71
  5. Step 5: Solve for x
    x = 827,045,187.71/30,670.07
  6. Step 6: Final answer
    x = 26,965.88

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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.