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Finding the Fourth Proportional to 35,036.74, 48,351.74 and 19,122.22

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Solution

The fourth proportional to 35,036.74, 48,351.74 and 19,122.22 is: 26,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,036.74 : 48,351.74 = 19,122.22 : x
  2. Step 2: Convert to fraction form
    35,036.74/48,351.74 = 19,122.22/x
  3. Step 3: Cross multiply
    35,036.74x = 48,351.74 × 19,122.22
  4. Step 4: Simplify right side
    35,036.74x = 924,592,609.66
  5. Step 5: Solve for x
    x = 924,592,609.66/35,036.74
  6. Step 6: Final answer
    x = 26,389.23

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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.