Home / 55,776.70-83,665.15-39,210.85

Finding the Fourth Proportional to 55,776.70, 83,665.15 and 39,210.85

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Solution

The fourth proportional to 55,776.70, 83,665.15 and 39,210.85 is: 58,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.70 : 83,665.15 = 39,210.85 : x
  2. Step 2: Convert to fraction form
    55,776.70/83,665.15 = 39,210.85/x
  3. Step 3: Cross multiply
    55,776.70x = 83,665.15 × 39,210.85
  4. Step 4: Simplify right side
    55,776.70x = 3,280,581,339.69
  5. Step 5: Solve for x
    x = 3,280,581,339.69/55,776.70
  6. Step 6: Final answer
    x = 58,816.34

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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.