Home / 30,735.55-46,117.91-12,970.28

Finding the Fourth Proportional to 30,735.55, 46,117.91 and 12,970.28

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Solution

The fourth proportional to 30,735.55, 46,117.91 and 12,970.28 is: 19,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,735.55 : 46,117.91 = 12,970.28 : x
  2. Step 2: Convert to fraction form
    30,735.55/46,117.91 = 12,970.28/x
  3. Step 3: Cross multiply
    30,735.55x = 46,117.91 × 12,970.28
  4. Step 4: Simplify right side
    30,735.55x = 598,162,021.06
  5. Step 5: Solve for x
    x = 598,162,021.06/30,735.55
  6. Step 6: Final answer
    x = 19,461.57

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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.