Home / 53,875.37-80,813.03-14,431.48

Finding the Fourth Proportional to 53,875.37, 80,813.03 and 14,431.48

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Solution

The fourth proportional to 53,875.37, 80,813.03 and 14,431.48 is: 21,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,875.37 : 80,813.03 = 14,431.48 : x
  2. Step 2: Convert to fraction form
    53,875.37/80,813.03 = 14,431.48/x
  3. Step 3: Cross multiply
    53,875.37x = 80,813.03 × 14,431.48
  4. Step 4: Simplify right side
    53,875.37x = 1,166,251,351.99
  5. Step 5: Solve for x
    x = 1,166,251,351.99/53,875.37
  6. Step 6: Final answer
    x = 21,647.21

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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.