Home / 38,113.05-57,205.02-19,407.07

Finding the Fourth Proportional to 38,113.05, 57,205.02 and 19,407.07

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Solution

The fourth proportional to 38,113.05, 57,205.02 and 19,407.07 is: 29,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113.05 : 57,205.02 = 19,407.07 : x
  2. Step 2: Convert to fraction form
    38,113.05/57,205.02 = 19,407.07/x
  3. Step 3: Cross multiply
    38,113.05x = 57,205.02 × 19,407.07
  4. Step 4: Simplify right side
    38,113.05x = 1,110,181,541.47
  5. Step 5: Solve for x
    x = 1,110,181,541.47/38,113.05
  6. Step 6: Final answer
    x = 29,128.65

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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.