Home / 57,421.60-86,097.12-22,320.34

Finding the Fourth Proportional to 57,421.60, 86,097.12 and 22,320.34

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Solution

The fourth proportional to 57,421.60, 86,097.12 and 22,320.34 is: 33,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,421.60 : 86,097.12 = 22,320.34 : x
  2. Step 2: Convert to fraction form
    57,421.60/86,097.12 = 22,320.34/x
  3. Step 3: Cross multiply
    57,421.60x = 86,097.12 × 22,320.34
  4. Step 4: Simplify right side
    57,421.60x = 1,921,716,991.42
  5. Step 5: Solve for x
    x = 1,921,716,991.42/57,421.60
  6. Step 6: Final answer
    x = 33,466.80

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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.