Home / 40,812.98-56,322.74-22,909.28

Finding the Fourth Proportional to 40,812.98, 56,322.74 and 22,909.28

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Solution

The fourth proportional to 40,812.98, 56,322.74 and 22,909.28 is: 31,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,812.98 : 56,322.74 = 22,909.28 : x
  2. Step 2: Convert to fraction form
    40,812.98/56,322.74 = 22,909.28/x
  3. Step 3: Cross multiply
    40,812.98x = 56,322.74 × 22,909.28
  4. Step 4: Simplify right side
    40,812.98x = 1,290,313,196.69
  5. Step 5: Solve for x
    x = 1,290,313,196.69/40,812.98
  6. Step 6: Final answer
    x = 31,615.27

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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.