Home / 34,887.05-48,143.58-18,971.36

Finding the Fourth Proportional to 34,887.05, 48,143.58 and 18,971.36

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Solution

The fourth proportional to 34,887.05, 48,143.58 and 18,971.36 is: 26,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,887.05 : 48,143.58 = 18,971.36 : x
  2. Step 2: Convert to fraction form
    34,887.05/48,143.58 = 18,971.36/x
  3. Step 3: Cross multiply
    34,887.05x = 48,143.58 × 18,971.36
  4. Step 4: Simplify right side
    34,887.05x = 913,349,187.87
  5. Step 5: Solve for x
    x = 913,349,187.87/34,887.05
  6. Step 6: Final answer
    x = 26,180.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.