Home / 36,075.16-54,112.73-9,779.90

Finding the Fourth Proportional to 36,075.16, 54,112.73 and 9,779.90

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Solution

The fourth proportional to 36,075.16, 54,112.73 and 9,779.90 is: 14,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,075.16 : 54,112.73 = 9,779.90 : x
  2. Step 2: Convert to fraction form
    36,075.16/54,112.73 = 9,779.90/x
  3. Step 3: Cross multiply
    36,075.16x = 54,112.73 × 9,779.90
  4. Step 4: Simplify right side
    36,075.16x = 529,217,088.13
  5. Step 5: Solve for x
    x = 529,217,088.13/36,075.16
  6. Step 6: Final answer
    x = 14,669.85

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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.