Home / 35,457.64-53,186.27-20,455.04

Finding the Fourth Proportional to 35,457.64, 53,186.27 and 20,455.04

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Solution

The fourth proportional to 35,457.64, 53,186.27 and 20,455.04 is: 30,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,457.64 : 53,186.27 = 20,455.04 : x
  2. Step 2: Convert to fraction form
    35,457.64/53,186.27 = 20,455.04/x
  3. Step 3: Cross multiply
    35,457.64x = 53,186.27 × 20,455.04
  4. Step 4: Simplify right side
    35,457.64x = 1,087,927,310.99
  5. Step 5: Solve for x
    x = 1,087,927,310.99/35,457.64
  6. Step 6: Final answer
    x = 30,682.45

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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.