Home / 51,216.28-70,676.07-28,557.74

Finding the Fourth Proportional to 51,216.28, 70,676.07 and 28,557.74

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Solution

The fourth proportional to 51,216.28, 70,676.07 and 28,557.74 is: 39,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216.28 : 70,676.07 = 28,557.74 : x
  2. Step 2: Convert to fraction form
    51,216.28/70,676.07 = 28,557.74/x
  3. Step 3: Cross multiply
    51,216.28x = 70,676.07 × 28,557.74
  4. Step 4: Simplify right side
    51,216.28x = 2,018,348,831.28
  5. Step 5: Solve for x
    x = 2,018,348,831.28/51,216.28
  6. Step 6: Final answer
    x = 39,408.34

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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.