Home / 53,716.40-80,574.60-18,644.40

Finding the Fourth Proportional to 53,716.40, 80,574.60 and 18,644.40

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Solution

The fourth proportional to 53,716.40, 80,574.60 and 18,644.40 is: 27,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,716.40 : 80,574.60 = 18,644.40 : x
  2. Step 2: Convert to fraction form
    53,716.40/80,574.60 = 18,644.40/x
  3. Step 3: Cross multiply
    53,716.40x = 80,574.60 × 18,644.40
  4. Step 4: Simplify right side
    53,716.40x = 1,502,265,072.24
  5. Step 5: Solve for x
    x = 1,502,265,072.24/53,716.40
  6. Step 6: Final answer
    x = 27,966.60

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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.