Home / 35,625.42-49,155.12-21,281.40

Finding the Fourth Proportional to 35,625.42, 49,155.12 and 21,281.40

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Solution

The fourth proportional to 35,625.42, 49,155.12 and 21,281.40 is: 29,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,625.42 : 49,155.12 = 21,281.40 : x
  2. Step 2: Convert to fraction form
    35,625.42/49,155.12 = 21,281.40/x
  3. Step 3: Cross multiply
    35,625.42x = 49,155.12 × 21,281.40
  4. Step 4: Simplify right side
    35,625.42x = 1,046,089,770.77
  5. Step 5: Solve for x
    x = 1,046,089,770.77/35,625.42
  6. Step 6: Final answer
    x = 29,363.58

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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.