Home / 57,516.48-79,439.21-38,362.99

Finding the Fourth Proportional to 57,516.48, 79,439.21 and 38,362.99

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Solution

The fourth proportional to 57,516.48, 79,439.21 and 38,362.99 is: 52,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,516.48 : 79,439.21 = 38,362.99 : x
  2. Step 2: Convert to fraction form
    57,516.48/79,439.21 = 38,362.99/x
  3. Step 3: Cross multiply
    57,516.48x = 79,439.21 × 38,362.99
  4. Step 4: Simplify right side
    57,516.48x = 3,047,525,618.84
  5. Step 5: Solve for x
    x = 3,047,525,618.84/57,516.48
  6. Step 6: Final answer
    x = 52,985.26

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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.