Home / 45,588.20-68,389.50-19,293.08

Finding the Fourth Proportional to 45,588.20, 68,389.50 and 19,293.08

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Solution

The fourth proportional to 45,588.20, 68,389.50 and 19,293.08 is: 28,942.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,588.20 : 68,389.50 = 19,293.08 : x
  2. Step 2: Convert to fraction form
    45,588.20/68,389.50 = 19,293.08/x
  3. Step 3: Cross multiply
    45,588.20x = 68,389.50 × 19,293.08
  4. Step 4: Simplify right side
    45,588.20x = 1,319,444,094.66
  5. Step 5: Solve for x
    x = 1,319,444,094.66/45,588.20
  6. Step 6: Final answer
    x = 28,942.67

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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.