Home / 56,254.77-84,383.69-18,807.86

Finding the Fourth Proportional to 56,254.77, 84,383.69 and 18,807.86

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Solution

The fourth proportional to 56,254.77, 84,383.69 and 18,807.86 is: 28,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,254.77 : 84,383.69 = 18,807.86 : x
  2. Step 2: Convert to fraction form
    56,254.77/84,383.69 = 18,807.86/x
  3. Step 3: Cross multiply
    56,254.77x = 84,383.69 × 18,807.86
  4. Step 4: Simplify right side
    56,254.77x = 1,587,076,415.18
  5. Step 5: Solve for x
    x = 1,587,076,415.18/56,254.77
  6. Step 6: Final answer
    x = 28,212.30

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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.