Home / 39,161.60-58,742.40-11,459.60

Finding the Fourth Proportional to 39,161.60, 58,742.40 and 11,459.60

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Solution

The fourth proportional to 39,161.60, 58,742.40 and 11,459.60 is: 17,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161.60 : 58,742.40 = 11,459.60 : x
  2. Step 2: Convert to fraction form
    39,161.60/58,742.40 = 11,459.60/x
  3. Step 3: Cross multiply
    39,161.60x = 58,742.40 × 11,459.60
  4. Step 4: Simplify right side
    39,161.60x = 673,164,407.04
  5. Step 5: Solve for x
    x = 673,164,407.04/39,161.60
  6. Step 6: Final answer
    x = 17,189.40

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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.