Home / 40,721.03-56,189.80-22,811.63

Finding the Fourth Proportional to 40,721.03, 56,189.80 and 22,811.63

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Solution

The fourth proportional to 40,721.03, 56,189.80 and 22,811.63 is: 31,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.03 : 56,189.80 = 22,811.63 : x
  2. Step 2: Convert to fraction form
    40,721.03/56,189.80 = 22,811.63/x
  3. Step 3: Cross multiply
    40,721.03x = 56,189.80 × 22,811.63
  4. Step 4: Simplify right side
    40,721.03x = 1,281,780,674.94
  5. Step 5: Solve for x
    x = 1,281,780,674.94/40,721.03
  6. Step 6: Final answer
    x = 31,477.12

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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.