Home / 38,495.14-57,779.04-19,788.32

Finding the Fourth Proportional to 38,495.14, 57,779.04 and 19,788.32

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Solution

The fourth proportional to 38,495.14, 57,779.04 and 19,788.32 is: 29,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,495.14 : 57,779.04 = 19,788.32 : x
  2. Step 2: Convert to fraction form
    38,495.14/57,779.04 = 19,788.32/x
  3. Step 3: Cross multiply
    38,495.14x = 57,779.04 × 19,788.32
  4. Step 4: Simplify right side
    38,495.14x = 1,143,350,132.81
  5. Step 5: Solve for x
    x = 1,143,350,132.81/38,495.14
  6. Step 6: Final answer
    x = 29,701.16

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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.