Home / 45,658.64-68,388.08-28,075.12

Finding the Fourth Proportional to 45,658.64, 68,388.08 and 28,075.12

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Solution

The fourth proportional to 45,658.64, 68,388.08 and 28,075.12 is: 42,051.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,658.64 : 68,388.08 = 28,075.12 : x
  2. Step 2: Convert to fraction form
    45,658.64/68,388.08 = 28,075.12/x
  3. Step 3: Cross multiply
    45,658.64x = 68,388.08 × 28,075.12
  4. Step 4: Simplify right side
    45,658.64x = 1,920,003,552.57
  5. Step 5: Solve for x
    x = 1,920,003,552.57/45,658.64
  6. Step 6: Final answer
    x = 42,051.26

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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.