Home / 30,266.08-41,760.90-17,688.40

Finding the Fourth Proportional to 30,266.08, 41,760.90 and 17,688.40

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Solution

The fourth proportional to 30,266.08, 41,760.90 and 17,688.40 is: 24,406.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.08 : 41,760.90 = 17,688.40 : x
  2. Step 2: Convert to fraction form
    30,266.08/41,760.90 = 17,688.40/x
  3. Step 3: Cross multiply
    30,266.08x = 41,760.90 × 17,688.40
  4. Step 4: Simplify right side
    30,266.08x = 738,683,503.56
  5. Step 5: Solve for x
    x = 738,683,503.56/30,266.08
  6. Step 6: Final answer
    x = 24,406.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.