Home / 56,181.08-77,527.80-31,030.04

Finding the Fourth Proportional to 56,181.08, 77,527.80 and 31,030.04

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Solution

The fourth proportional to 56,181.08, 77,527.80 and 31,030.04 is: 42,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,181.08 : 77,527.80 = 31,030.04 : x
  2. Step 2: Convert to fraction form
    56,181.08/77,527.80 = 31,030.04/x
  3. Step 3: Cross multiply
    56,181.08x = 77,527.80 × 31,030.04
  4. Step 4: Simplify right side
    56,181.08x = 2,405,690,735.11
  5. Step 5: Solve for x
    x = 2,405,690,735.11/56,181.08
  6. Step 6: Final answer
    x = 42,820.30

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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.