Home / 30,680.68-45,953.56-25,355.34

Finding the Fourth Proportional to 30,680.68, 45,953.56 and 25,355.34

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Solution

The fourth proportional to 30,680.68, 45,953.56 and 25,355.34 is: 37,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.68 : 45,953.56 = 25,355.34 : x
  2. Step 2: Convert to fraction form
    30,680.68/45,953.56 = 25,355.34/x
  3. Step 3: Cross multiply
    30,680.68x = 45,953.56 × 25,355.34
  4. Step 4: Simplify right side
    30,680.68x = 1,165,168,138.01
  5. Step 5: Solve for x
    x = 1,165,168,138.01/30,680.68
  6. Step 6: Final answer
    x = 37,977.26

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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.