Home / 30,688.05-46,045.92-13,825.26

Finding the Fourth Proportional to 30,688.05, 46,045.92 and 13,825.26

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Solution

The fourth proportional to 30,688.05, 46,045.92 and 13,825.26 is: 20,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688.05 : 46,045.92 = 13,825.26 : x
  2. Step 2: Convert to fraction form
    30,688.05/46,045.92 = 13,825.26/x
  3. Step 3: Cross multiply
    30,688.05x = 46,045.92 × 13,825.26
  4. Step 4: Simplify right side
    30,688.05x = 636,596,660.51
  5. Step 5: Solve for x
    x = 636,596,660.51/30,688.05
  6. Step 6: Final answer
    x = 20,744.12

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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.