Home / 30,829.79-46,218.56-13,059.74

Finding the Fourth Proportional to 30,829.79, 46,218.56 and 13,059.74

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Solution

The fourth proportional to 30,829.79, 46,218.56 and 13,059.74 is: 19,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,829.79 : 46,218.56 = 13,059.74 : x
  2. Step 2: Convert to fraction form
    30,829.79/46,218.56 = 13,059.74/x
  3. Step 3: Cross multiply
    30,829.79x = 46,218.56 × 13,059.74
  4. Step 4: Simplify right side
    30,829.79x = 603,602,080.38
  5. Step 5: Solve for x
    x = 603,602,080.38/30,829.79
  6. Step 6: Final answer
    x = 19,578.54

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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.