Home / 45,325.24-67,980.82-23,155

Finding the Fourth Proportional to 45,325.24, 67,980.82 and 23,155

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Solution

The fourth proportional to 45,325.24, 67,980.82 and 23,155 is: 34,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,325.24 : 67,980.82 = 23,155 : x
  2. Step 2: Convert to fraction form
    45,325.24/67,980.82 = 23,155/x
  3. Step 3: Cross multiply
    45,325.24x = 67,980.82 × 23,155
  4. Step 4: Simplify right side
    45,325.24x = 1,574,095,887.10
  5. Step 5: Solve for x
    x = 1,574,095,887.10/45,325.24
  6. Step 6: Final answer
    x = 34,728.90

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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.