Home / 50,430.17-75,642.83-12,479.29

Finding the Fourth Proportional to 50,430.17, 75,642.83 and 12,479.29

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Solution

The fourth proportional to 50,430.17, 75,642.83 and 12,479.29 is: 18,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,430.17 : 75,642.83 = 12,479.29 : x
  2. Step 2: Convert to fraction form
    50,430.17/75,642.83 = 12,479.29/x
  3. Step 3: Cross multiply
    50,430.17x = 75,642.83 × 12,479.29
  4. Step 4: Simplify right side
    50,430.17x = 943,968,607.28
  5. Step 5: Solve for x
    x = 943,968,607.28/50,430.17
  6. Step 6: Final answer
    x = 18,718.33

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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.