Home / 30,262.15-45,393.23-8,075.60

Finding the Fourth Proportional to 30,262.15, 45,393.23 and 8,075.60

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Solution

The fourth proportional to 30,262.15, 45,393.23 and 8,075.60 is: 12,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,262.15 : 45,393.23 = 8,075.60 : x
  2. Step 2: Convert to fraction form
    30,262.15/45,393.23 = 8,075.60/x
  3. Step 3: Cross multiply
    30,262.15x = 45,393.23 × 8,075.60
  4. Step 4: Simplify right side
    30,262.15x = 366,577,641.29
  5. Step 5: Solve for x
    x = 366,577,641.29/30,262.15
  6. Step 6: Final answer
    x = 12,113.40

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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.