Home / 35,610.76-53,457.38-20,830.29

Finding the Fourth Proportional to 35,610.76, 53,457.38 and 20,830.29

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Solution

The fourth proportional to 35,610.76, 53,457.38 and 20,830.29 is: 31,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,610.76 : 53,457.38 = 20,830.29 : x
  2. Step 2: Convert to fraction form
    35,610.76/53,457.38 = 20,830.29/x
  3. Step 3: Cross multiply
    35,610.76x = 53,457.38 × 20,830.29
  4. Step 4: Simplify right side
    35,610.76x = 1,113,532,728.04
  5. Step 5: Solve for x
    x = 1,113,532,728.04/35,610.76
  6. Step 6: Final answer
    x = 31,269.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.