Home / 42,590.85-63,893.88-14,509.35

Finding the Fourth Proportional to 42,590.85, 63,893.88 and 14,509.35

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Solution

The fourth proportional to 42,590.85, 63,893.88 and 14,509.35 is: 21,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590.85 : 63,893.88 = 14,509.35 : x
  2. Step 2: Convert to fraction form
    42,590.85/63,893.88 = 14,509.35/x
  3. Step 3: Cross multiply
    42,590.85x = 63,893.88 × 14,509.35
  4. Step 4: Simplify right side
    42,590.85x = 927,058,667.78
  5. Step 5: Solve for x
    x = 927,058,667.78/42,590.85
  6. Step 6: Final answer
    x = 21,766.62

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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.