Home / 57,762.40-86,654.36-18,308.92

Finding the Fourth Proportional to 57,762.40, 86,654.36 and 18,308.92

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Solution

The fourth proportional to 57,762.40, 86,654.36 and 18,308.92 is: 27,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,762.40 : 86,654.36 = 18,308.92 : x
  2. Step 2: Convert to fraction form
    57,762.40/86,654.36 = 18,308.92/x
  3. Step 3: Cross multiply
    57,762.40x = 86,654.36 × 18,308.92
  4. Step 4: Simplify right side
    57,762.40x = 1,586,547,744.89
  5. Step 5: Solve for x
    x = 1,586,547,744.89/57,762.40
  6. Step 6: Final answer
    x = 27,466.79

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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.