Home / 30,226.29-45,347.12-17,756.86

Finding the Fourth Proportional to 30,226.29, 45,347.12 and 17,756.86

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Solution

The fourth proportional to 30,226.29, 45,347.12 and 17,756.86 is: 26,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.29 : 45,347.12 = 17,756.86 : x
  2. Step 2: Convert to fraction form
    30,226.29/45,347.12 = 17,756.86/x
  3. Step 3: Cross multiply
    30,226.29x = 45,347.12 × 17,756.86
  4. Step 4: Simplify right side
    30,226.29x = 805,222,461.24
  5. Step 5: Solve for x
    x = 805,222,461.24/30,226.29
  6. Step 6: Final answer
    x = 26,639.80

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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.