Home / 30,025.26-45,044.37-12,508.20

Finding the Fourth Proportional to 30,025.26, 45,044.37 and 12,508.20

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Solution

The fourth proportional to 30,025.26, 45,044.37 and 12,508.20 is: 18,765.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,025.26 : 45,044.37 = 12,508.20 : x
  2. Step 2: Convert to fraction form
    30,025.26/45,044.37 = 12,508.20/x
  3. Step 3: Cross multiply
    30,025.26x = 45,044.37 × 12,508.20
  4. Step 4: Simplify right side
    30,025.26x = 563,423,988.83
  5. Step 5: Solve for x
    x = 563,423,988.83/30,025.26
  6. Step 6: Final answer
    x = 18,765.00

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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.