Home / 45,828.40-68,742.54-12,548.74

Finding the Fourth Proportional to 45,828.40, 68,742.54 and 12,548.74

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Solution

The fourth proportional to 45,828.40, 68,742.54 and 12,548.74 is: 18,823.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,828.40 : 68,742.54 = 12,548.74 : x
  2. Step 2: Convert to fraction form
    45,828.40/68,742.54 = 12,548.74/x
  3. Step 3: Cross multiply
    45,828.40x = 68,742.54 × 12,548.74
  4. Step 4: Simplify right side
    45,828.40x = 862,632,261.40
  5. Step 5: Solve for x
    x = 862,632,261.40/45,828.40
  6. Step 6: Final answer
    x = 18,823.09

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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.