Home / 30,803.06-45,962.65-28,922.24

Finding the Fourth Proportional to 30,803.06, 45,962.65 and 28,922.24

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Solution

The fourth proportional to 30,803.06, 45,962.65 and 28,922.24 is: 43,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803.06 : 45,962.65 = 28,922.24 : x
  2. Step 2: Convert to fraction form
    30,803.06/45,962.65 = 28,922.24/x
  3. Step 3: Cross multiply
    30,803.06x = 45,962.65 × 28,922.24
  4. Step 4: Simplify right side
    30,803.06x = 1,329,342,794.34
  5. Step 5: Solve for x
    x = 1,329,342,794.34/30,803.06
  6. Step 6: Final answer
    x = 43,156.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.