Home / 30,426.14-45,564.68-25,128.74

Finding the Fourth Proportional to 30,426.14, 45,564.68 and 25,128.74

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Solution

The fourth proportional to 30,426.14, 45,564.68 and 25,128.74 is: 37,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426.14 : 45,564.68 = 25,128.74 : x
  2. Step 2: Convert to fraction form
    30,426.14/45,564.68 = 25,128.74/x
  3. Step 3: Cross multiply
    30,426.14x = 45,564.68 × 25,128.74
  4. Step 4: Simplify right side
    30,426.14x = 1,144,982,643.44
  5. Step 5: Solve for x
    x = 1,144,982,643.44/30,426.14
  6. Step 6: Final answer
    x = 37,631.55

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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.