Home / 30,918.72-46,391.28-29,590.08

Finding the Fourth Proportional to 30,918.72, 46,391.28 and 29,590.08

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Solution

The fourth proportional to 30,918.72, 46,391.28 and 29,590.08 is: 44,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.72 : 46,391.28 = 29,590.08 : x
  2. Step 2: Convert to fraction form
    30,918.72/46,391.28 = 29,590.08/x
  3. Step 3: Cross multiply
    30,918.72x = 46,391.28 × 29,590.08
  4. Step 4: Simplify right side
    30,918.72x = 1,372,721,686.50
  5. Step 5: Solve for x
    x = 1,372,721,686.50/30,918.72
  6. Step 6: Final answer
    x = 44,397.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.