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Finding the Fourth Proportional to 34,808.76, 48,034.80 and 18,892.87

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Solution

The fourth proportional to 34,808.76, 48,034.80 and 18,892.87 is: 26,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,808.76 : 48,034.80 = 18,892.87 : x
  2. Step 2: Convert to fraction form
    34,808.76/48,034.80 = 18,892.87/x
  3. Step 3: Cross multiply
    34,808.76x = 48,034.80 × 18,892.87
  4. Step 4: Simplify right side
    34,808.76x = 907,514,897.24
  5. Step 5: Solve for x
    x = 907,514,897.24/34,808.76
  6. Step 6: Final answer
    x = 26,071.46

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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.