Home / 45,731.20-68,590.40-14,569.60

Finding the Fourth Proportional to 45,731.20, 68,590.40 and 14,569.60

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Solution

The fourth proportional to 45,731.20, 68,590.40 and 14,569.60 is: 21,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,731.20 : 68,590.40 = 14,569.60 : x
  2. Step 2: Convert to fraction form
    45,731.20/68,590.40 = 14,569.60/x
  3. Step 3: Cross multiply
    45,731.20x = 68,590.40 × 14,569.60
  4. Step 4: Simplify right side
    45,731.20x = 999,334,691.84
  5. Step 5: Solve for x
    x = 999,334,691.84/45,731.20
  6. Step 6: Final answer
    x = 21,852.36

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1.5x scale

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.