Home / 45,110.59-67,681.58-20,148.21

Finding the Fourth Proportional to 45,110.59, 67,681.58 and 20,148.21

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Solution

The fourth proportional to 45,110.59, 67,681.58 and 20,148.21 is: 30,229.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,110.59 : 67,681.58 = 20,148.21 : x
  2. Step 2: Convert to fraction form
    45,110.59/67,681.58 = 20,148.21/x
  3. Step 3: Cross multiply
    45,110.59x = 67,681.58 × 20,148.21
  4. Step 4: Simplify right side
    45,110.59x = 1,363,662,586.23
  5. Step 5: Solve for x
    x = 1,363,662,586.23/45,110.59
  6. Step 6: Final answer
    x = 30,229.32

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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.