Home / 43,386.60-65,079.96-13,401.48

Finding the Fourth Proportional to 43,386.60, 65,079.96 and 13,401.48

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Solution

The fourth proportional to 43,386.60, 65,079.96 and 13,401.48 is: 20,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,386.60 : 65,079.96 = 13,401.48 : x
  2. Step 2: Convert to fraction form
    43,386.60/65,079.96 = 13,401.48/x
  3. Step 3: Cross multiply
    43,386.60x = 65,079.96 × 13,401.48
  4. Step 4: Simplify right side
    43,386.60x = 872,167,782.34
  5. Step 5: Solve for x
    x = 872,167,782.34/43,386.60
  6. Step 6: Final answer
    x = 20,102.24

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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.