Home / 53,438.41-80,168.55-18,373.51

Finding the Fourth Proportional to 53,438.41, 80,168.55 and 18,373.51

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Solution

The fourth proportional to 53,438.41, 80,168.55 and 18,373.51 is: 27,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,438.41 : 80,168.55 = 18,373.51 : x
  2. Step 2: Convert to fraction form
    53,438.41/80,168.55 = 18,373.51/x
  3. Step 3: Cross multiply
    53,438.41x = 80,168.55 × 18,373.51
  4. Step 4: Simplify right side
    53,438.41x = 1,472,977,655.11
  5. Step 5: Solve for x
    x = 1,472,977,655.11/53,438.41
  6. Step 6: Final answer
    x = 27,564.02

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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.