Home / 36,490.16-50,368.92-21,387.68

Finding the Fourth Proportional to 36,490.16, 50,368.92 and 21,387.68

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Solution

The fourth proportional to 36,490.16, 50,368.92 and 21,387.68 is: 29,522.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.16 : 50,368.92 = 21,387.68 : x
  2. Step 2: Convert to fraction form
    36,490.16/50,368.92 = 21,387.68/x
  3. Step 3: Cross multiply
    36,490.16x = 50,368.92 × 21,387.68
  4. Step 4: Simplify right side
    36,490.16x = 1,077,274,342.91
  5. Step 5: Solve for x
    x = 1,077,274,342.91/36,490.16
  6. Step 6: Final answer
    x = 29,522.32

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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.