Home / 57,856.01-86,794.29-20,437.79

Finding the Fourth Proportional to 57,856.01, 86,794.29 and 20,437.79

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Solution

The fourth proportional to 57,856.01, 86,794.29 and 20,437.79 is: 30,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,856.01 : 86,794.29 = 20,437.79 : x
  2. Step 2: Convert to fraction form
    57,856.01/86,794.29 = 20,437.79/x
  3. Step 3: Cross multiply
    57,856.01x = 86,794.29 × 20,437.79
  4. Step 4: Simplify right side
    57,856.01x = 1,773,883,038.25
  5. Step 5: Solve for x
    x = 1,773,883,038.25/57,856.01
  6. Step 6: Final answer
    x = 30,660.31

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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.