Home / 39,030-53,884.62-25,624.74

Finding the Fourth Proportional to 39,030, 53,884.62 and 25,624.74

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Solution

The fourth proportional to 39,030, 53,884.62 and 25,624.74 is: 35,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,030 : 53,884.62 = 25,624.74 : x
  2. Step 2: Convert to fraction form
    39,030/53,884.62 = 25,624.74/x
  3. Step 3: Cross multiply
    39,030x = 53,884.62 × 25,624.74
  4. Step 4: Simplify right side
    39,030x = 1,380,779,377.50
  5. Step 5: Solve for x
    x = 1,380,779,377.50/39,030
  6. Step 6: Final answer
    x = 35,377.39

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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.