Home / 30,457.90-45,576.14-25,143.49

Finding the Fourth Proportional to 30,457.90, 45,576.14 and 25,143.49

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Solution

The fourth proportional to 30,457.90, 45,576.14 and 25,143.49 is: 37,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,457.90 : 45,576.14 = 25,143.49 : x
  2. Step 2: Convert to fraction form
    30,457.90/45,576.14 = 25,143.49/x
  3. Step 3: Cross multiply
    30,457.90x = 45,576.14 × 25,143.49
  4. Step 4: Simplify right side
    30,457.90x = 1,145,943,151.58
  5. Step 5: Solve for x
    x = 1,145,943,151.58/30,457.90
  6. Step 6: Final answer
    x = 37,623.84

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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.