Home / 45,439.83-68,162.46-14,275.08

Finding the Fourth Proportional to 45,439.83, 68,162.46 and 14,275.08

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Solution

The fourth proportional to 45,439.83, 68,162.46 and 14,275.08 is: 21,413.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.83 : 68,162.46 = 14,275.08 : x
  2. Step 2: Convert to fraction form
    45,439.83/68,162.46 = 14,275.08/x
  3. Step 3: Cross multiply
    45,439.83x = 68,162.46 × 14,275.08
  4. Step 4: Simplify right side
    45,439.83x = 973,024,569.50
  5. Step 5: Solve for x
    x = 973,024,569.50/45,439.83
  6. Step 6: Final answer
    x = 21,413.47

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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.