Home / 61,286.72-84,577.55-34,429.77

Finding the Fourth Proportional to 61,286.72, 84,577.55 and 34,429.77

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Solution

The fourth proportional to 61,286.72, 84,577.55 and 34,429.77 is: 47,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,286.72 : 84,577.55 = 34,429.77 : x
  2. Step 2: Convert to fraction form
    61,286.72/84,577.55 = 34,429.77/x
  3. Step 3: Cross multiply
    61,286.72x = 84,577.55 × 34,429.77
  4. Step 4: Simplify right side
    61,286.72x = 2,911,985,421.51
  5. Step 5: Solve for x
    x = 2,911,985,421.51/61,286.72
  6. Step 6: Final answer
    x = 47,514.14

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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.