Home / 20,050.38-30,075.69-5,259.16

Finding the Fourth Proportional to 20,050.38, 30,075.69 and 5,259.16

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Solution

The fourth proportional to 20,050.38, 30,075.69 and 5,259.16 is: 7,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.38 : 30,075.69 = 5,259.16 : x
  2. Step 2: Convert to fraction form
    20,050.38/30,075.69 = 5,259.16/x
  3. Step 3: Cross multiply
    20,050.38x = 30,075.69 × 5,259.16
  4. Step 4: Simplify right side
    20,050.38x = 158,172,865.82
  5. Step 5: Solve for x
    x = 158,172,865.82/20,050.38
  6. Step 6: Final answer
    x = 7,888.77

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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.