Home / 35,785.10-53,706-18,930.08

Finding the Fourth Proportional to 35,785.10, 53,706 and 18,930.08

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Solution

The fourth proportional to 35,785.10, 53,706 and 18,930.08 is: 28,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,785.10 : 53,706 = 18,930.08 : x
  2. Step 2: Convert to fraction form
    35,785.10/53,706 = 18,930.08/x
  3. Step 3: Cross multiply
    35,785.10x = 53,706 × 18,930.08
  4. Step 4: Simplify right side
    35,785.10x = 1,016,658,876.48
  5. Step 5: Solve for x
    x = 1,016,658,876.48/35,785.10
  6. Step 6: Final answer
    x = 28,410.12

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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.