Home / 45,036.42-67,518.15-18,760.83

Finding the Fourth Proportional to 45,036.42, 67,518.15 and 18,760.83

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Solution

The fourth proportional to 45,036.42, 67,518.15 and 18,760.83 is: 28,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,036.42 : 67,518.15 = 18,760.83 : x
  2. Step 2: Convert to fraction form
    45,036.42/67,518.15 = 18,760.83/x
  3. Step 3: Cross multiply
    45,036.42x = 67,518.15 × 18,760.83
  4. Step 4: Simplify right side
    45,036.42x = 1,266,696,534.06
  5. Step 5: Solve for x
    x = 1,266,696,534.06/45,036.42
  6. Step 6: Final answer
    x = 28,126.05

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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.