Home / 49,419.15-68,215.07-30,038.00

Finding the Fourth Proportional to 49,419.15, 68,215.07 and 30,038.00

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Solution

The fourth proportional to 49,419.15, 68,215.07 and 30,038.00 is: 41,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,419.15 : 68,215.07 = 30,038.00 : x
  2. Step 2: Convert to fraction form
    49,419.15/68,215.07 = 30,038.00/x
  3. Step 3: Cross multiply
    49,419.15x = 68,215.07 × 30,038.00
  4. Step 4: Simplify right side
    49,419.15x = 2,049,044,518.29
  5. Step 5: Solve for x
    x = 2,049,044,518.29/49,419.15
  6. Step 6: Final answer
    x = 41,462.56

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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.