Home / 51,742.59-77,593.83-20,148.13

Finding the Fourth Proportional to 51,742.59, 77,593.83 and 20,148.13

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Solution

The fourth proportional to 51,742.59, 77,593.83 and 20,148.13 is: 30,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,742.59 : 77,593.83 = 20,148.13 : x
  2. Step 2: Convert to fraction form
    51,742.59/77,593.83 = 20,148.13/x
  3. Step 3: Cross multiply
    51,742.59x = 77,593.83 × 20,148.13
  4. Step 4: Simplify right side
    51,742.59x = 1,563,370,574.04
  5. Step 5: Solve for x
    x = 1,563,370,574.04/51,742.59
  6. Step 6: Final answer
    x = 30,214.39

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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.