Home / 31,446.48-43,416.06-19,522.47

Finding the Fourth Proportional to 31,446.48, 43,416.06 and 19,522.47

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Solution

The fourth proportional to 31,446.48, 43,416.06 and 19,522.47 is: 26,953.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,446.48 : 43,416.06 = 19,522.47 : x
  2. Step 2: Convert to fraction form
    31,446.48/43,416.06 = 19,522.47/x
  3. Step 3: Cross multiply
    31,446.48x = 43,416.06 × 19,522.47
  4. Step 4: Simplify right side
    31,446.48x = 847,588,728.87
  5. Step 5: Solve for x
    x = 847,588,728.87/31,446.48
  6. Step 6: Final answer
    x = 26,953.37

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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.