Home / 57,846.02-86,793.59-20,426.45

Finding the Fourth Proportional to 57,846.02, 86,793.59 and 20,426.45

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Solution

The fourth proportional to 57,846.02, 86,793.59 and 20,426.45 is: 30,648.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,846.02 : 86,793.59 = 20,426.45 : x
  2. Step 2: Convert to fraction form
    57,846.02/86,793.59 = 20,426.45/x
  3. Step 3: Cross multiply
    57,846.02x = 86,793.59 × 20,426.45
  4. Step 4: Simplify right side
    57,846.02x = 1,772,884,543.55
  5. Step 5: Solve for x
    x = 1,772,884,543.55/57,846.02
  6. Step 6: Final answer
    x = 30,648.34

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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.