Home / 38,113.55-57,205.77-19,407.57

Finding the Fourth Proportional to 38,113.55, 57,205.77 and 19,407.57

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Solution

The fourth proportional to 38,113.55, 57,205.77 and 19,407.57 is: 29,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113.55 : 57,205.77 = 19,407.57 : x
  2. Step 2: Convert to fraction form
    38,113.55/57,205.77 = 19,407.57/x
  3. Step 3: Cross multiply
    38,113.55x = 57,205.77 × 19,407.57
  4. Step 4: Simplify right side
    38,113.55x = 1,110,224,985.68
  5. Step 5: Solve for x
    x = 1,110,224,985.68/38,113.55
  6. Step 6: Final answer
    x = 29,129.40

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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.