Home / 57,032.72-85,547.64-15,478.64

Finding the Fourth Proportional to 57,032.72, 85,547.64 and 15,478.64

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Solution

The fourth proportional to 57,032.72, 85,547.64 and 15,478.64 is: 23,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,032.72 : 85,547.64 = 15,478.64 : x
  2. Step 2: Convert to fraction form
    57,032.72/85,547.64 = 15,478.64/x
  3. Step 3: Cross multiply
    57,032.72x = 85,547.64 × 15,478.64
  4. Step 4: Simplify right side
    57,032.72x = 1,324,161,122.41
  5. Step 5: Solve for x
    x = 1,324,161,122.41/57,032.72
  6. Step 6: Final answer
    x = 23,217.57

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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.