Home / 70,050.24-105,059.52-20,130.12

Finding the Fourth Proportional to 70,050.24, 105,059.52 and 20,130.12

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Solution

The fourth proportional to 70,050.24, 105,059.52 and 20,130.12 is: 30,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,050.24 : 105,059.52 = 20,130.12 : x
  2. Step 2: Convert to fraction form
    70,050.24/105,059.52 = 20,130.12/x
  3. Step 3: Cross multiply
    70,050.24x = 105,059.52 × 20,130.12
  4. Step 4: Simplify right side
    70,050.24x = 2,114,860,744.74
  5. Step 5: Solve for x
    x = 2,114,860,744.74/70,050.24
  6. Step 6: Final answer
    x = 30,190.63

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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.