Home / 60,579.84-90,868.32-18,459.84

Finding the Fourth Proportional to 60,579.84, 90,868.32 and 18,459.84

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Solution

The fourth proportional to 60,579.84, 90,868.32 and 18,459.84 is: 27,689.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,579.84 : 90,868.32 = 18,459.84 : x
  2. Step 2: Convert to fraction form
    60,579.84/90,868.32 = 18,459.84/x
  3. Step 3: Cross multiply
    60,579.84x = 90,868.32 × 18,459.84
  4. Step 4: Simplify right side
    60,579.84x = 1,677,414,648.27
  5. Step 5: Solve for x
    x = 1,677,414,648.27/60,579.84
  6. Step 6: Final answer
    x = 27,689.32

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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.