Home / 30,782.77-46,140.30-12,059.31

Finding the Fourth Proportional to 30,782.77, 46,140.30 and 12,059.31

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Solution

The fourth proportional to 30,782.77, 46,140.30 and 12,059.31 is: 18,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,782.77 : 46,140.30 = 12,059.31 : x
  2. Step 2: Convert to fraction form
    30,782.77/46,140.30 = 12,059.31/x
  3. Step 3: Cross multiply
    30,782.77x = 46,140.30 × 12,059.31
  4. Step 4: Simplify right side
    30,782.77x = 556,420,181.19
  5. Step 5: Solve for x
    x = 556,420,181.19/30,782.77
  6. Step 6: Final answer
    x = 18,075.70

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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.