Home / 33,038.58-45,586.89-18,888.42

Finding the Fourth Proportional to 33,038.58, 45,586.89 and 18,888.42

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Solution

The fourth proportional to 33,038.58, 45,586.89 and 18,888.42 is: 26,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,038.58 : 45,586.89 = 18,888.42 : x
  2. Step 2: Convert to fraction form
    33,038.58/45,586.89 = 18,888.42/x
  3. Step 3: Cross multiply
    33,038.58x = 45,586.89 × 18,888.42
  4. Step 4: Simplify right side
    33,038.58x = 861,064,324.81
  5. Step 5: Solve for x
    x = 861,064,324.81/33,038.58
  6. Step 6: Final answer
    x = 26,062.39

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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.