Home / 46,929.74-70,403.78-20,634.40

Finding the Fourth Proportional to 46,929.74, 70,403.78 and 20,634.40

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Solution

The fourth proportional to 46,929.74, 70,403.78 and 20,634.40 is: 30,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,929.74 : 70,403.78 = 20,634.40 : x
  2. Step 2: Convert to fraction form
    46,929.74/70,403.78 = 20,634.40/x
  3. Step 3: Cross multiply
    46,929.74x = 70,403.78 × 20,634.40
  4. Step 4: Simplify right side
    46,929.74x = 1,452,739,758.03
  5. Step 5: Solve for x
    x = 1,452,739,758.03/46,929.74
  6. Step 6: Final answer
    x = 30,955.63

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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.