Home / 53,436.15-80,158.40-17,897.60

Finding the Fourth Proportional to 53,436.15, 80,158.40 and 17,897.60

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Solution

The fourth proportional to 53,436.15, 80,158.40 and 17,897.60 is: 26,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,436.15 : 80,158.40 = 17,897.60 : x
  2. Step 2: Convert to fraction form
    53,436.15/80,158.40 = 17,897.60/x
  3. Step 3: Cross multiply
    53,436.15x = 80,158.40 × 17,897.60
  4. Step 4: Simplify right side
    53,436.15x = 1,434,642,979.84
  5. Step 5: Solve for x
    x = 1,434,642,979.84/53,436.15
  6. Step 6: Final answer
    x = 26,847.80

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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.