Home / 34,821.11-48,051.80-18,905.21

Finding the Fourth Proportional to 34,821.11, 48,051.80 and 18,905.21

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Solution

The fourth proportional to 34,821.11, 48,051.80 and 18,905.21 is: 26,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,821.11 : 48,051.80 = 18,905.21 : x
  2. Step 2: Convert to fraction form
    34,821.11/48,051.80 = 18,905.21/x
  3. Step 3: Cross multiply
    34,821.11x = 48,051.80 × 18,905.21
  4. Step 4: Simplify right side
    34,821.11x = 908,429,275.35
  5. Step 5: Solve for x
    x = 908,429,275.35/34,821.11
  6. Step 6: Final answer
    x = 26,088.46

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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.