Home / 55,330.30-82,886.10-30,325.60

Finding the Fourth Proportional to 55,330.30, 82,886.10 and 30,325.60

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Solution

The fourth proportional to 55,330.30, 82,886.10 and 30,325.60 is: 45,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330.30 : 82,886.10 = 30,325.60 : x
  2. Step 2: Convert to fraction form
    55,330.30/82,886.10 = 30,325.60/x
  3. Step 3: Cross multiply
    55,330.30x = 82,886.10 × 30,325.60
  4. Step 4: Simplify right side
    55,330.30x = 2,513,570,714.16
  5. Step 5: Solve for x
    x = 2,513,570,714.16/55,330.30
  6. Step 6: Final answer
    x = 45,428.47

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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.