Home / 43,386.32-65,078.25-13,805.93

Finding the Fourth Proportional to 43,386.32, 65,078.25 and 13,805.93

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Solution

The fourth proportional to 43,386.32, 65,078.25 and 13,805.93 is: 20,708.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,386.32 : 65,078.25 = 13,805.93 : x
  2. Step 2: Convert to fraction form
    43,386.32/65,078.25 = 13,805.93/x
  3. Step 3: Cross multiply
    43,386.32x = 65,078.25 × 13,805.93
  4. Step 4: Simplify right side
    43,386.32x = 898,465,438.63
  5. Step 5: Solve for x
    x = 898,465,438.63/43,386.32
  6. Step 6: Final answer
    x = 20,708.50

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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.