Home / 53,218.08-73,441.80-31,993.20

Finding the Fourth Proportional to 53,218.08, 73,441.80 and 31,993.20

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Solution

The fourth proportional to 53,218.08, 73,441.80 and 31,993.20 is: 44,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218.08 : 73,441.80 = 31,993.20 : x
  2. Step 2: Convert to fraction form
    53,218.08/73,441.80 = 31,993.20/x
  3. Step 3: Cross multiply
    53,218.08x = 73,441.80 × 31,993.20
  4. Step 4: Simplify right side
    53,218.08x = 2,349,638,195.76
  5. Step 5: Solve for x
    x = 2,349,638,195.76/53,218.08
  6. Step 6: Final answer
    x = 44,151.13

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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.