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Finding the Fourth Proportional to 58,280.84, 80,427.43 and 32,787.22

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Solution

The fourth proportional to 58,280.84, 80,427.43 and 32,787.22 is: 45,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,280.84 : 80,427.43 = 32,787.22 : x
  2. Step 2: Convert to fraction form
    58,280.84/80,427.43 = 32,787.22/x
  3. Step 3: Cross multiply
    58,280.84x = 80,427.43 × 32,787.22
  4. Step 4: Simplify right side
    58,280.84x = 2,636,991,558.41
  5. Step 5: Solve for x
    x = 2,636,991,558.41/58,280.84
  6. Step 6: Final answer
    x = 45,246.29

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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.