Home / 55,776.18-83,664.36-39,210.24

Finding the Fourth Proportional to 55,776.18, 83,664.36 and 39,210.24

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Solution

The fourth proportional to 55,776.18, 83,664.36 and 39,210.24 is: 58,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.18 : 83,664.36 = 39,210.24 : x
  2. Step 2: Convert to fraction form
    55,776.18/83,664.36 = 39,210.24/x
  3. Step 3: Cross multiply
    55,776.18x = 83,664.36 × 39,210.24
  4. Step 4: Simplify right side
    55,776.18x = 3,280,499,635.05
  5. Step 5: Solve for x
    x = 3,280,499,635.05/55,776.18
  6. Step 6: Final answer
    x = 58,815.42

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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.