Home / 34,931.24-52,384.16-12,739.40

Finding the Fourth Proportional to 34,931.24, 52,384.16 and 12,739.40

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Solution

The fourth proportional to 34,931.24, 52,384.16 and 12,739.40 is: 19,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,931.24 : 52,384.16 = 12,739.40 : x
  2. Step 2: Convert to fraction form
    34,931.24/52,384.16 = 12,739.40/x
  3. Step 3: Cross multiply
    34,931.24x = 52,384.16 × 12,739.40
  4. Step 4: Simplify right side
    34,931.24x = 667,342,442.29
  5. Step 5: Solve for x
    x = 667,342,442.29/34,931.24
  6. Step 6: Final answer
    x = 19,104.46

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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.