Home / 53,247.41-73,478.95-30,570.44

Finding the Fourth Proportional to 53,247.41, 73,478.95 and 30,570.44

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Solution

The fourth proportional to 53,247.41, 73,478.95 and 30,570.44 is: 42,185.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,247.41 : 73,478.95 = 30,570.44 : x
  2. Step 2: Convert to fraction form
    53,247.41/73,478.95 = 30,570.44/x
  3. Step 3: Cross multiply
    53,247.41x = 73,478.95 × 30,570.44
  4. Step 4: Simplify right side
    53,247.41x = 2,246,283,939.51
  5. Step 5: Solve for x
    x = 2,246,283,939.51/53,247.41
  6. Step 6: Final answer
    x = 42,185.79

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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.