Home / 45,510.72-68,258.40-12,234.48

Finding the Fourth Proportional to 45,510.72, 68,258.40 and 12,234.48

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Solution

The fourth proportional to 45,510.72, 68,258.40 and 12,234.48 is: 18,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,510.72 : 68,258.40 = 12,234.48 : x
  2. Step 2: Convert to fraction form
    45,510.72/68,258.40 = 12,234.48/x
  3. Step 3: Cross multiply
    45,510.72x = 68,258.40 × 12,234.48
  4. Step 4: Simplify right side
    45,510.72x = 835,106,029.63
  5. Step 5: Solve for x
    x = 835,106,029.63/45,510.72
  6. Step 6: Final answer
    x = 18,349.66

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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.