Home / 35,148.16-52,743.20-12,977.12

Finding the Fourth Proportional to 35,148.16, 52,743.20 and 12,977.12

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Solution

The fourth proportional to 35,148.16, 52,743.20 and 12,977.12 is: 19,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,148.16 : 52,743.20 = 12,977.12 : x
  2. Step 2: Convert to fraction form
    35,148.16/52,743.20 = 12,977.12/x
  3. Step 3: Cross multiply
    35,148.16x = 52,743.20 × 12,977.12
  4. Step 4: Simplify right side
    35,148.16x = 684,454,835.58
  5. Step 5: Solve for x
    x = 684,454,835.58/35,148.16
  6. Step 6: Final answer
    x = 19,473.42

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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.