Home / 69,769.85-96,280.40-39,558.07

Finding the Fourth Proportional to 69,769.85, 96,280.40 and 39,558.07

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Solution

The fourth proportional to 69,769.85, 96,280.40 and 39,558.07 is: 54,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,769.85 : 96,280.40 = 39,558.07 : x
  2. Step 2: Convert to fraction form
    69,769.85/96,280.40 = 39,558.07/x
  3. Step 3: Cross multiply
    69,769.85x = 96,280.40 × 39,558.07
  4. Step 4: Simplify right side
    69,769.85x = 3,808,666,123.64
  5. Step 5: Solve for x
    x = 3,808,666,123.64/69,769.85
  6. Step 6: Final answer
    x = 54,589.00

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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.