Home / 29,457.56-40,635.63-20,489.49

Finding the Fourth Proportional to 29,457.56, 40,635.63 and 20,489.49

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Solution

The fourth proportional to 29,457.56, 40,635.63 and 20,489.49 is: 28,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,457.56 : 40,635.63 = 20,489.49 : x
  2. Step 2: Convert to fraction form
    29,457.56/40,635.63 = 20,489.49/x
  3. Step 3: Cross multiply
    29,457.56x = 40,635.63 × 20,489.49
  4. Step 4: Simplify right side
    29,457.56x = 832,603,334.53
  5. Step 5: Solve for x
    x = 832,603,334.53/29,457.56
  6. Step 6: Final answer
    x = 28,264.50

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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.