Home / 46,931.35-70,406.21-20,636.02

Finding the Fourth Proportional to 46,931.35, 70,406.21 and 20,636.02

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Solution

The fourth proportional to 46,931.35, 70,406.21 and 20,636.02 is: 30,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,931.35 : 70,406.21 = 20,636.02 : x
  2. Step 2: Convert to fraction form
    46,931.35/70,406.21 = 20,636.02/x
  3. Step 3: Cross multiply
    46,931.35x = 70,406.21 × 20,636.02
  4. Step 4: Simplify right side
    46,931.35x = 1,452,903,701.25
  5. Step 5: Solve for x
    x = 1,452,903,701.25/46,931.35
  6. Step 6: Final answer
    x = 30,958.06

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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.