Home / 53,725.40-80,588.10-30,397.40

Finding the Fourth Proportional to 53,725.40, 80,588.10 and 30,397.40

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Solution

The fourth proportional to 53,725.40, 80,588.10 and 30,397.40 is: 45,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,725.40 : 80,588.10 = 30,397.40 : x
  2. Step 2: Convert to fraction form
    53,725.40/80,588.10 = 30,397.40/x
  3. Step 3: Cross multiply
    53,725.40x = 80,588.10 × 30,397.40
  4. Step 4: Simplify right side
    53,725.40x = 2,449,668,710.94
  5. Step 5: Solve for x
    x = 2,449,668,710.94/53,725.40
  6. Step 6: Final answer
    x = 45,596.10

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1.5x scale

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.