Home / 53,439.66-73,738.44-30,779.64

Finding the Fourth Proportional to 53,439.66, 73,738.44 and 30,779.64

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Solution

The fourth proportional to 53,439.66, 73,738.44 and 30,779.64 is: 42,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,439.66 : 73,738.44 = 30,779.64 : x
  2. Step 2: Convert to fraction form
    53,439.66/73,738.44 = 30,779.64/x
  3. Step 3: Cross multiply
    53,439.66x = 73,738.44 × 30,779.64
  4. Step 4: Simplify right side
    53,439.66x = 2,269,642,637.36
  5. Step 5: Solve for x
    x = 2,269,642,637.36/53,439.66
  6. Step 6: Final answer
    x = 42,471.13

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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.