Home / 30,929.73-46,411.40-13,400.93

Finding the Fourth Proportional to 30,929.73, 46,411.40 and 13,400.93

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Solution

The fourth proportional to 30,929.73, 46,411.40 and 13,400.93 is: 20,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929.73 : 46,411.40 = 13,400.93 : x
  2. Step 2: Convert to fraction form
    30,929.73/46,411.40 = 13,400.93/x
  3. Step 3: Cross multiply
    30,929.73x = 46,411.40 × 13,400.93
  4. Step 4: Simplify right side
    30,929.73x = 621,955,724.05
  5. Step 5: Solve for x
    x = 621,955,724.05/30,929.73
  6. Step 6: Final answer
    x = 20,108.67

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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.