Home / 47,334.82-65,328.38-30,108.86

Finding the Fourth Proportional to 47,334.82, 65,328.38 and 30,108.86

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Solution

The fourth proportional to 47,334.82, 65,328.38 and 30,108.86 is: 41,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,334.82 : 65,328.38 = 30,108.86 : x
  2. Step 2: Convert to fraction form
    47,334.82/65,328.38 = 30,108.86/x
  3. Step 3: Cross multiply
    47,334.82x = 65,328.38 × 30,108.86
  4. Step 4: Simplify right side
    47,334.82x = 1,966,963,047.45
  5. Step 5: Solve for x
    x = 1,966,963,047.45/47,334.82
  6. Step 6: Final answer
    x = 41,554.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.