Home / 30,751.36-46,140.78-14,947.72

Finding the Fourth Proportional to 30,751.36, 46,140.78 and 14,947.72

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Solution

The fourth proportional to 30,751.36, 46,140.78 and 14,947.72 is: 22,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,751.36 : 46,140.78 = 14,947.72 : x
  2. Step 2: Convert to fraction form
    30,751.36/46,140.78 = 14,947.72/x
  3. Step 3: Cross multiply
    30,751.36x = 46,140.78 × 14,947.72
  4. Step 4: Simplify right side
    30,751.36x = 689,699,460.02
  5. Step 5: Solve for x
    x = 689,699,460.02/30,751.36
  6. Step 6: Final answer
    x = 22,428.26

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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.