Home / 53,607.26-73,981.37-30,950.40

Finding the Fourth Proportional to 53,607.26, 73,981.37 and 30,950.40

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Solution

The fourth proportional to 53,607.26, 73,981.37 and 30,950.40 is: 42,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,607.26 : 73,981.37 = 30,950.40 : x
  2. Step 2: Convert to fraction form
    53,607.26/73,981.37 = 30,950.40/x
  3. Step 3: Cross multiply
    53,607.26x = 73,981.37 × 30,950.40
  4. Step 4: Simplify right side
    53,607.26x = 2,289,752,994.05
  5. Step 5: Solve for x
    x = 2,289,752,994.05/53,607.26
  6. Step 6: Final answer
    x = 42,713.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.