Home / 45,385.85-68,079.08-15,804.25

Finding the Fourth Proportional to 45,385.85, 68,079.08 and 15,804.25

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Solution

The fourth proportional to 45,385.85, 68,079.08 and 15,804.25 is: 23,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,385.85 : 68,079.08 = 15,804.25 : x
  2. Step 2: Convert to fraction form
    45,385.85/68,079.08 = 15,804.25/x
  3. Step 3: Cross multiply
    45,385.85x = 68,079.08 × 15,804.25
  4. Step 4: Simplify right side
    45,385.85x = 1,075,938,669.40
  5. Step 5: Solve for x
    x = 1,075,938,669.40/45,385.85
  6. Step 6: Final answer
    x = 23,706.48

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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.