Home / 62,005.96-85,581.84-40,787.20

Finding the Fourth Proportional to 62,005.96, 85,581.84 and 40,787.20

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Solution

The fourth proportional to 62,005.96, 85,581.84 and 40,787.20 is: 56,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,005.96 : 85,581.84 = 40,787.20 : x
  2. Step 2: Convert to fraction form
    62,005.96/85,581.84 = 40,787.20/x
  3. Step 3: Cross multiply
    62,005.96x = 85,581.84 × 40,787.20
  4. Step 4: Simplify right side
    62,005.96x = 3,490,643,624.45
  5. Step 5: Solve for x
    x = 3,490,643,624.45/62,005.96
  6. Step 6: Final answer
    x = 56,295.29

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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.