Home / 58,390.56-80,505.18-38,215.44

Finding the Fourth Proportional to 58,390.56, 80,505.18 and 38,215.44

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Solution

The fourth proportional to 58,390.56, 80,505.18 and 38,215.44 is: 52,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,390.56 : 80,505.18 = 38,215.44 : x
  2. Step 2: Convert to fraction form
    58,390.56/80,505.18 = 38,215.44/x
  3. Step 3: Cross multiply
    58,390.56x = 80,505.18 × 38,215.44
  4. Step 4: Simplify right side
    58,390.56x = 3,076,540,875.98
  5. Step 5: Solve for x
    x = 3,076,540,875.98/58,390.56
  6. Step 6: Final answer
    x = 52,689.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.