Home / 30,826.31-45,968.78-30,545.64

Finding the Fourth Proportional to 30,826.31, 45,968.78 and 30,545.64

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Solution

The fourth proportional to 30,826.31, 45,968.78 and 30,545.64 is: 45,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,826.31 : 45,968.78 = 30,545.64 : x
  2. Step 2: Convert to fraction form
    30,826.31/45,968.78 = 30,545.64/x
  3. Step 3: Cross multiply
    30,826.31x = 45,968.78 × 30,545.64
  4. Step 4: Simplify right side
    30,826.31x = 1,404,145,881.48
  5. Step 5: Solve for x
    x = 1,404,145,881.48/30,826.31
  6. Step 6: Final answer
    x = 45,550.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.