Home / 42,670.08-63,937.44-30,928.32

Finding the Fourth Proportional to 42,670.08, 63,937.44 and 30,928.32

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Solution

The fourth proportional to 42,670.08, 63,937.44 and 30,928.32 is: 46,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670.08 : 63,937.44 = 30,928.32 : x
  2. Step 2: Convert to fraction form
    42,670.08/63,937.44 = 30,928.32/x
  3. Step 3: Cross multiply
    42,670.08x = 63,937.44 × 30,928.32
  4. Step 4: Simplify right side
    42,670.08x = 1,977,477,604.30
  5. Step 5: Solve for x
    x = 1,977,477,604.30/42,670.08
  6. Step 6: Final answer
    x = 46,343.42

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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.