Home / 63,015.15-86,960.75-34,720.84

Finding the Fourth Proportional to 63,015.15, 86,960.75 and 34,720.84

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Solution

The fourth proportional to 63,015.15, 86,960.75 and 34,720.84 is: 47,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,015.15 : 86,960.75 = 34,720.84 : x
  2. Step 2: Convert to fraction form
    63,015.15/86,960.75 = 34,720.84/x
  3. Step 3: Cross multiply
    63,015.15x = 86,960.75 × 34,720.84
  4. Step 4: Simplify right side
    63,015.15x = 3,019,350,287.03
  5. Step 5: Solve for x
    x = 3,019,350,287.03/63,015.15
  6. Step 6: Final answer
    x = 47,914.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.