Home / 45,669.30-68,503.34-12,392.48

Finding the Fourth Proportional to 45,669.30, 68,503.34 and 12,392.48

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Solution

The fourth proportional to 45,669.30, 68,503.34 and 12,392.48 is: 18,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,669.30 : 68,503.34 = 12,392.48 : x
  2. Step 2: Convert to fraction form
    45,669.30/68,503.34 = 12,392.48/x
  3. Step 3: Cross multiply
    45,669.30x = 68,503.34 × 12,392.48
  4. Step 4: Simplify right side
    45,669.30x = 848,925,866.40
  5. Step 5: Solve for x
    x = 848,925,866.40/45,669.30
  6. Step 6: Final answer
    x = 18,588.55

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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.