Home / 53,563.71-80,315.45-21,965.07

Finding the Fourth Proportional to 53,563.71, 80,315.45 and 21,965.07

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Solution

The fourth proportional to 53,563.71, 80,315.45 and 21,965.07 is: 32,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,563.71 : 80,315.45 = 21,965.07 : x
  2. Step 2: Convert to fraction form
    53,563.71/80,315.45 = 21,965.07/x
  3. Step 3: Cross multiply
    53,563.71x = 80,315.45 × 21,965.07
  4. Step 4: Simplify right side
    53,563.71x = 1,764,134,371.51
  5. Step 5: Solve for x
    x = 1,764,134,371.51/53,563.71
  6. Step 6: Final answer
    x = 32,935.25

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1.5x scale

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.