Home / 38,012.07-56,998.58-13,045.40

Finding the Fourth Proportional to 38,012.07, 56,998.58 and 13,045.40

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Solution

The fourth proportional to 38,012.07, 56,998.58 and 13,045.40 is: 19,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,012.07 : 56,998.58 = 13,045.40 : x
  2. Step 2: Convert to fraction form
    38,012.07/56,998.58 = 13,045.40/x
  3. Step 3: Cross multiply
    38,012.07x = 56,998.58 × 13,045.40
  4. Step 4: Simplify right side
    38,012.07x = 743,568,925.31
  5. Step 5: Solve for x
    x = 743,568,925.31/38,012.07
  6. Step 6: Final answer
    x = 19,561.39

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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.