Home / 45,515.18-68,303.73-27,931.34

Finding the Fourth Proportional to 45,515.18, 68,303.73 and 27,931.34

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Solution

The fourth proportional to 45,515.18, 68,303.73 and 27,931.34 is: 41,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.18 : 68,303.73 = 27,931.34 : x
  2. Step 2: Convert to fraction form
    45,515.18/68,303.73 = 27,931.34/x
  3. Step 3: Cross multiply
    45,515.18x = 68,303.73 × 27,931.34
  4. Step 4: Simplify right side
    45,515.18x = 1,907,814,705.90
  5. Step 5: Solve for x
    x = 1,907,814,705.90/45,515.18
  6. Step 6: Final answer
    x = 41,916.01

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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.