Home / 53,973.38-80,960.58-20,685.53

Finding the Fourth Proportional to 53,973.38, 80,960.58 and 20,685.53

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Solution

The fourth proportional to 53,973.38, 80,960.58 and 20,685.53 is: 31,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,973.38 : 80,960.58 = 20,685.53 : x
  2. Step 2: Convert to fraction form
    53,973.38/80,960.58 = 20,685.53/x
  3. Step 3: Cross multiply
    53,973.38x = 80,960.58 × 20,685.53
  4. Step 4: Simplify right side
    53,973.38x = 1,674,712,101.60
  5. Step 5: Solve for x
    x = 1,674,712,101.60/53,973.38
  6. Step 6: Final answer
    x = 31,028.49

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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.