Home / 46,929.68-70,399.10-13,650

Finding the Fourth Proportional to 46,929.68, 70,399.10 and 13,650

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Solution

The fourth proportional to 46,929.68, 70,399.10 and 13,650 is: 20,476.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,929.68 : 70,399.10 = 13,650 : x
  2. Step 2: Convert to fraction form
    46,929.68/70,399.10 = 13,650/x
  3. Step 3: Cross multiply
    46,929.68x = 70,399.10 × 13,650
  4. Step 4: Simplify right side
    46,929.68x = 960,947,715.00
  5. Step 5: Solve for x
    x = 960,947,715.00/46,929.68
  6. Step 6: Final answer
    x = 20,476.33

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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.