Home / 30,689.32-45,809.93-26,334.76

Finding the Fourth Proportional to 30,689.32, 45,809.93 and 26,334.76

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Solution

The fourth proportional to 30,689.32, 45,809.93 and 26,334.76 is: 39,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,689.32 : 45,809.93 = 26,334.76 : x
  2. Step 2: Convert to fraction form
    30,689.32/45,809.93 = 26,334.76/x
  3. Step 3: Cross multiply
    30,689.32x = 45,809.93 × 26,334.76
  4. Step 4: Simplify right side
    30,689.32x = 1,206,393,512.17
  5. Step 5: Solve for x
    x = 1,206,393,512.17/30,689.32
  6. Step 6: Final answer
    x = 39,309.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.