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Finding the Fourth Proportional to 34,934.51, 48,210.86 and 19,020.11

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Solution

The fourth proportional to 34,934.51, 48,210.86 and 19,020.11 is: 26,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,934.51 : 48,210.86 = 19,020.11 : x
  2. Step 2: Convert to fraction form
    34,934.51/48,210.86 = 19,020.11/x
  3. Step 3: Cross multiply
    34,934.51x = 48,210.86 × 19,020.11
  4. Step 4: Simplify right side
    34,934.51x = 916,975,666.89
  5. Step 5: Solve for x
    x = 916,975,666.89/34,934.51
  6. Step 6: Final answer
    x = 26,248.42

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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.