Home / 45,207.84-67,811.75-15,219.56

Finding the Fourth Proportional to 45,207.84, 67,811.75 and 15,219.56

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Solution

The fourth proportional to 45,207.84, 67,811.75 and 15,219.56 is: 22,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,207.84 : 67,811.75 = 15,219.56 : x
  2. Step 2: Convert to fraction form
    45,207.84/67,811.75 = 15,219.56/x
  3. Step 3: Cross multiply
    45,207.84x = 67,811.75 × 15,219.56
  4. Step 4: Simplify right side
    45,207.84x = 1,032,064,582.67
  5. Step 5: Solve for x
    x = 1,032,064,582.67/45,207.84
  6. Step 6: Final answer
    x = 22,829.33

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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.