Home / 34,368.12-51,541.20-10,989

Finding the Fourth Proportional to 34,368.12, 51,541.20 and 10,989

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Solution

The fourth proportional to 34,368.12, 51,541.20 and 10,989 is: 16,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,368.12 : 51,541.20 = 10,989 : x
  2. Step 2: Convert to fraction form
    34,368.12/51,541.20 = 10,989/x
  3. Step 3: Cross multiply
    34,368.12x = 51,541.20 × 10,989
  4. Step 4: Simplify right side
    34,368.12x = 566,386,246.80
  5. Step 5: Solve for x
    x = 566,386,246.80/34,368.12
  6. Step 6: Final answer
    x = 16,479.99

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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.