Home / 30,656.32-45,960.04-28,196.08

Finding the Fourth Proportional to 30,656.32, 45,960.04 and 28,196.08

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Solution

The fourth proportional to 30,656.32, 45,960.04 and 28,196.08 is: 42,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,656.32 : 45,960.04 = 28,196.08 : x
  2. Step 2: Convert to fraction form
    30,656.32/45,960.04 = 28,196.08/x
  3. Step 3: Cross multiply
    30,656.32x = 45,960.04 × 28,196.08
  4. Step 4: Simplify right side
    30,656.32x = 1,295,892,964.64
  5. Step 5: Solve for x
    x = 1,295,892,964.64/30,656.32
  6. Step 6: Final answer
    x = 42,271.64

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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.