Home / 36,075.80-54,113.70-9,779.86

Finding the Fourth Proportional to 36,075.80, 54,113.70 and 9,779.86

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Solution

The fourth proportional to 36,075.80, 54,113.70 and 9,779.86 is: 14,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,075.80 : 54,113.70 = 9,779.86 : x
  2. Step 2: Convert to fraction form
    36,075.80/54,113.70 = 9,779.86/x
  3. Step 3: Cross multiply
    36,075.80x = 54,113.70 × 9,779.86
  4. Step 4: Simplify right side
    36,075.80x = 529,224,410.08
  5. Step 5: Solve for x
    x = 529,224,410.08/36,075.80
  6. Step 6: Final answer
    x = 14,669.79

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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.