Home / 30,720.04-46,081.27-8,533.53

Finding the Fourth Proportional to 30,720.04, 46,081.27 and 8,533.53

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Solution

The fourth proportional to 30,720.04, 46,081.27 and 8,533.53 is: 12,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,720.04 : 46,081.27 = 8,533.53 : x
  2. Step 2: Convert to fraction form
    30,720.04/46,081.27 = 8,533.53/x
  3. Step 3: Cross multiply
    30,720.04x = 46,081.27 × 8,533.53
  4. Step 4: Simplify right side
    30,720.04x = 393,235,899.98
  5. Step 5: Solve for x
    x = 393,235,899.98/30,720.04
  6. Step 6: Final answer
    x = 12,800.63

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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.