Home / 34,255.76-47,271.48-20,110.16

Finding the Fourth Proportional to 34,255.76, 47,271.48 and 20,110.16

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Solution

The fourth proportional to 34,255.76, 47,271.48 and 20,110.16 is: 27,751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,255.76 : 47,271.48 = 20,110.16 : x
  2. Step 2: Convert to fraction form
    34,255.76/47,271.48 = 20,110.16/x
  3. Step 3: Cross multiply
    34,255.76x = 47,271.48 × 20,110.16
  4. Step 4: Simplify right side
    34,255.76x = 950,637,026.24
  5. Step 5: Solve for x
    x = 950,637,026.24/34,255.76
  6. Step 6: Final answer
    x = 27,751.16

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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.