Home / 64,639.74-89,226.99-37,790.85

Finding the Fourth Proportional to 64,639.74, 89,226.99 and 37,790.85

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Solution

The fourth proportional to 64,639.74, 89,226.99 and 37,790.85 is: 52,165.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,639.74 : 89,226.99 = 37,790.85 : x
  2. Step 2: Convert to fraction form
    64,639.74/89,226.99 = 37,790.85/x
  3. Step 3: Cross multiply
    64,639.74x = 89,226.99 × 37,790.85
  4. Step 4: Simplify right side
    64,639.74x = 3,371,963,795.04
  5. Step 5: Solve for x
    x = 3,371,963,795.04/64,639.74
  6. Step 6: Final answer
    x = 52,165.49

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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.