Home / 31,141.08-42,975.64-17,714.28

Finding the Fourth Proportional to 31,141.08, 42,975.64 and 17,714.28

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Solution

The fourth proportional to 31,141.08, 42,975.64 and 17,714.28 is: 24,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,141.08 : 42,975.64 = 17,714.28 : x
  2. Step 2: Convert to fraction form
    31,141.08/42,975.64 = 17,714.28/x
  3. Step 3: Cross multiply
    31,141.08x = 42,975.64 × 17,714.28
  4. Step 4: Simplify right side
    31,141.08x = 761,282,520.14
  5. Step 5: Solve for x
    x = 761,282,520.14/31,141.08
  6. Step 6: Final answer
    x = 24,446.25

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1.5x scale

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.