Home / 53,603.37-80,412.35-18,545.76

Finding the Fourth Proportional to 53,603.37, 80,412.35 and 18,545.76

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Solution

The fourth proportional to 53,603.37, 80,412.35 and 18,545.76 is: 27,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,603.37 : 80,412.35 = 18,545.76 : x
  2. Step 2: Convert to fraction form
    53,603.37/80,412.35 = 18,545.76/x
  3. Step 3: Cross multiply
    53,603.37x = 80,412.35 × 18,545.76
  4. Step 4: Simplify right side
    53,603.37x = 1,491,308,051.41
  5. Step 5: Solve for x
    x = 1,491,308,051.41/53,603.37
  6. Step 6: Final answer
    x = 27,821.16

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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.