Home / 57,516.23-79,438.86-38,362.74

Finding the Fourth Proportional to 57,516.23, 79,438.86 and 38,362.74

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Solution

The fourth proportional to 57,516.23, 79,438.86 and 38,362.74 is: 52,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,516.23 : 79,438.86 = 38,362.74 : x
  2. Step 2: Convert to fraction form
    57,516.23/79,438.86 = 38,362.74/x
  3. Step 3: Cross multiply
    57,516.23x = 79,438.86 × 38,362.74
  4. Step 4: Simplify right side
    57,516.23x = 3,047,492,332.08
  5. Step 5: Solve for x
    x = 3,047,492,332.08/57,516.23
  6. Step 6: Final answer
    x = 52,984.92

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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.