Home / 45,968.55-63,460.80-30,940.20

Finding the Fourth Proportional to 45,968.55, 63,460.80 and 30,940.20

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Solution

The fourth proportional to 45,968.55, 63,460.80 and 30,940.20 is: 42,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,968.55 : 63,460.80 = 30,940.20 : x
  2. Step 2: Convert to fraction form
    45,968.55/63,460.80 = 30,940.20/x
  3. Step 3: Cross multiply
    45,968.55x = 63,460.80 × 30,940.20
  4. Step 4: Simplify right side
    45,968.55x = 1,963,489,844.16
  5. Step 5: Solve for x
    x = 1,963,489,844.16/45,968.55
  6. Step 6: Final answer
    x = 42,713.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.