Home / 50,779.67-70,075.08-28,118.17

Finding the Fourth Proportional to 50,779.67, 70,075.08 and 28,118.17

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Solution

The fourth proportional to 50,779.67, 70,075.08 and 28,118.17 is: 38,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,779.67 : 70,075.08 = 28,118.17 : x
  2. Step 2: Convert to fraction form
    50,779.67/70,075.08 = 28,118.17/x
  3. Step 3: Cross multiply
    50,779.67x = 70,075.08 × 28,118.17
  4. Step 4: Simplify right side
    50,779.67x = 1,970,383,012.20
  5. Step 5: Solve for x
    x = 1,970,383,012.20/50,779.67
  6. Step 6: Final answer
    x = 38,802.60

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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.