Home / 30,275.70-45,401.40-11,549.34

Finding the Fourth Proportional to 30,275.70, 45,401.40 and 11,549.34

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Solution

The fourth proportional to 30,275.70, 45,401.40 and 11,549.34 is: 17,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275.70 : 45,401.40 = 11,549.34 : x
  2. Step 2: Convert to fraction form
    30,275.70/45,401.40 = 11,549.34/x
  3. Step 3: Cross multiply
    30,275.70x = 45,401.40 × 11,549.34
  4. Step 4: Simplify right side
    30,275.70x = 524,356,205.08
  5. Step 5: Solve for x
    x = 524,356,205.08/30,275.70
  6. Step 6: Final answer
    x = 17,319.38

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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.