Home / 20,534.52-30,653.24-18,043.40

Finding the Fourth Proportional to 20,534.52, 30,653.24 and 18,043.40

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Solution

The fourth proportional to 20,534.52, 30,653.24 and 18,043.40 is: 26,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534.52 : 30,653.24 = 18,043.40 : x
  2. Step 2: Convert to fraction form
    20,534.52/30,653.24 = 18,043.40/x
  3. Step 3: Cross multiply
    20,534.52x = 30,653.24 × 18,043.40
  4. Step 4: Simplify right side
    20,534.52x = 553,088,580.40
  5. Step 5: Solve for x
    x = 553,088,580.40/20,534.52
  6. Step 6: Final answer
    x = 26,934.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.