Home / 55,410.12-76,457.28-31,535.04

Finding the Fourth Proportional to 55,410.12, 76,457.28 and 31,535.04

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Solution

The fourth proportional to 55,410.12, 76,457.28 and 31,535.04 is: 43,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,410.12 : 76,457.28 = 31,535.04 : x
  2. Step 2: Convert to fraction form
    55,410.12/76,457.28 = 31,535.04/x
  3. Step 3: Cross multiply
    55,410.12x = 76,457.28 × 31,535.04
  4. Step 4: Simplify right side
    55,410.12x = 2,411,083,383.09
  5. Step 5: Solve for x
    x = 2,411,083,383.09/55,410.12
  6. Step 6: Final answer
    x = 43,513.41

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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.