Home / 39,301.55-58,915.27-19,561.45

Finding the Fourth Proportional to 39,301.55, 58,915.27 and 19,561.45

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Solution

The fourth proportional to 39,301.55, 58,915.27 and 19,561.45 is: 29,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,301.55 : 58,915.27 = 19,561.45 : x
  2. Step 2: Convert to fraction form
    39,301.55/58,915.27 = 19,561.45/x
  3. Step 3: Cross multiply
    39,301.55x = 58,915.27 × 19,561.45
  4. Step 4: Simplify right side
    39,301.55x = 1,152,467,715.96
  5. Step 5: Solve for x
    x = 1,152,467,715.96/39,301.55
  6. Step 6: Final answer
    x = 29,323.72

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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.