Home / 50,779.13-70,075.26-28,423.13

Finding the Fourth Proportional to 50,779.13, 70,075.26 and 28,423.13

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Solution

The fourth proportional to 50,779.13, 70,075.26 and 28,423.13 is: 39,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,779.13 : 70,075.26 = 28,423.13 : x
  2. Step 2: Convert to fraction form
    50,779.13/70,075.26 = 28,423.13/x
  3. Step 3: Cross multiply
    50,779.13x = 70,075.26 × 28,423.13
  4. Step 4: Simplify right side
    50,779.13x = 1,991,757,874.39
  5. Step 5: Solve for x
    x = 1,991,757,874.39/50,779.13
  6. Step 6: Final answer
    x = 39,223.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.