Home / 35,564.40-49,080.30-20,457.06

Finding the Fourth Proportional to 35,564.40, 49,080.30 and 20,457.06

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Solution

The fourth proportional to 35,564.40, 49,080.30 and 20,457.06 is: 28,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,564.40 : 49,080.30 = 20,457.06 : x
  2. Step 2: Convert to fraction form
    35,564.40/49,080.30 = 20,457.06/x
  3. Step 3: Cross multiply
    35,564.40x = 49,080.30 × 20,457.06
  4. Step 4: Simplify right side
    35,564.40x = 1,004,038,381.15
  5. Step 5: Solve for x
    x = 1,004,038,381.15/35,564.40
  6. Step 6: Final answer
    x = 28,231.56

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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.