Home / 38,355.48-57,547.04-13,399.20

Finding the Fourth Proportional to 38,355.48, 57,547.04 and 13,399.20

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Solution

The fourth proportional to 38,355.48, 57,547.04 and 13,399.20 is: 20,103.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,355.48 : 57,547.04 = 13,399.20 : x
  2. Step 2: Convert to fraction form
    38,355.48/57,547.04 = 13,399.20/x
  3. Step 3: Cross multiply
    38,355.48x = 57,547.04 × 13,399.20
  4. Step 4: Simplify right side
    38,355.48x = 771,084,231.37
  5. Step 5: Solve for x
    x = 771,084,231.37/38,355.48
  6. Step 6: Final answer
    x = 20,103.63

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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.