Home / 54,348.20-81,536.70-19,284.20

Finding the Fourth Proportional to 54,348.20, 81,536.70 and 19,284.20

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Solution

The fourth proportional to 54,348.20, 81,536.70 and 19,284.20 is: 28,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,348.20 : 81,536.70 = 19,284.20 : x
  2. Step 2: Convert to fraction form
    54,348.20/81,536.70 = 19,284.20/x
  3. Step 3: Cross multiply
    54,348.20x = 81,536.70 × 19,284.20
  4. Step 4: Simplify right side
    54,348.20x = 1,572,370,030.14
  5. Step 5: Solve for x
    x = 1,572,370,030.14/54,348.20
  6. Step 6: Final answer
    x = 28,931.41

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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.