Home / 36,426.10-50,271.62-21,317.86

Finding the Fourth Proportional to 36,426.10, 50,271.62 and 21,317.86

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Solution

The fourth proportional to 36,426.10, 50,271.62 and 21,317.86 is: 29,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,426.10 : 50,271.62 = 21,317.86 : x
  2. Step 2: Convert to fraction form
    36,426.10/50,271.62 = 21,317.86/x
  3. Step 3: Cross multiply
    36,426.10x = 50,271.62 × 21,317.86
  4. Step 4: Simplify right side
    36,426.10x = 1,071,683,124.86
  5. Step 5: Solve for x
    x = 1,071,683,124.86/36,426.10
  6. Step 6: Final answer
    x = 29,420.75

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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.