Home / 35,380.58-53,012.55-20,547.86

Finding the Fourth Proportional to 35,380.58, 53,012.55 and 20,547.86

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Solution

The fourth proportional to 35,380.58, 53,012.55 and 20,547.86 is: 30,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,380.58 : 53,012.55 = 20,547.86 : x
  2. Step 2: Convert to fraction form
    35,380.58/53,012.55 = 20,547.86/x
  3. Step 3: Cross multiply
    35,380.58x = 53,012.55 × 20,547.86
  4. Step 4: Simplify right side
    35,380.58x = 1,089,294,455.64
  5. Step 5: Solve for x
    x = 1,089,294,455.64/35,380.58
  6. Step 6: Final answer
    x = 30,787.92

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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.