Home / 55,090.10-76,024.13-31,221.29

Finding the Fourth Proportional to 55,090.10, 76,024.13 and 31,221.29

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Solution

The fourth proportional to 55,090.10, 76,024.13 and 31,221.29 is: 43,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,090.10 : 76,024.13 = 31,221.29 : x
  2. Step 2: Convert to fraction form
    55,090.10/76,024.13 = 31,221.29/x
  3. Step 3: Cross multiply
    55,090.10x = 76,024.13 × 31,221.29
  4. Step 4: Simplify right side
    55,090.10x = 2,373,570,873.50
  5. Step 5: Solve for x
    x = 2,373,570,873.50/55,090.10
  6. Step 6: Final answer
    x = 43,085.26

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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.