Home / 37,040.64-51,114.78-21,130.18

Finding the Fourth Proportional to 37,040.64, 51,114.78 and 21,130.18

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Solution

The fourth proportional to 37,040.64, 51,114.78 and 21,130.18 is: 29,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,040.64 : 51,114.78 = 21,130.18 : x
  2. Step 2: Convert to fraction form
    37,040.64/51,114.78 = 21,130.18/x
  3. Step 3: Cross multiply
    37,040.64x = 51,114.78 × 21,130.18
  4. Step 4: Simplify right side
    37,040.64x = 1,080,064,502.06
  5. Step 5: Solve for x
    x = 1,080,064,502.06/37,040.64
  6. Step 6: Final answer
    x = 29,158.90

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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.