Home / 51,210.81-76,760.73-26,216.58

Finding the Fourth Proportional to 51,210.81, 76,760.73 and 26,216.58

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Solution

The fourth proportional to 51,210.81, 76,760.73 and 26,216.58 is: 39,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,210.81 : 76,760.73 = 26,216.58 : x
  2. Step 2: Convert to fraction form
    51,210.81/76,760.73 = 26,216.58/x
  3. Step 3: Cross multiply
    51,210.81x = 76,760.73 × 26,216.58
  4. Step 4: Simplify right side
    51,210.81x = 2,012,403,818.90
  5. Step 5: Solve for x
    x = 2,012,403,818.90/51,210.81
  6. Step 6: Final answer
    x = 39,296.47

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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.