Home / 30,943.43-46,407.70-14,287.45

Finding the Fourth Proportional to 30,943.43, 46,407.70 and 14,287.45

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Solution

The fourth proportional to 30,943.43, 46,407.70 and 14,287.45 is: 21,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.43 : 46,407.70 = 14,287.45 : x
  2. Step 2: Convert to fraction form
    30,943.43/46,407.70 = 14,287.45/x
  3. Step 3: Cross multiply
    30,943.43x = 46,407.70 × 14,287.45
  4. Step 4: Simplify right side
    30,943.43x = 663,047,389.89
  5. Step 5: Solve for x
    x = 663,047,389.89/30,943.43
  6. Step 6: Final answer
    x = 21,427.73

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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.