Home / 40,317.18-55,639.53-22,411.95

Finding the Fourth Proportional to 40,317.18, 55,639.53 and 22,411.95

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Solution

The fourth proportional to 40,317.18, 55,639.53 and 22,411.95 is: 30,929.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,317.18 : 55,639.53 = 22,411.95 : x
  2. Step 2: Convert to fraction form
    40,317.18/55,639.53 = 22,411.95/x
  3. Step 3: Cross multiply
    40,317.18x = 55,639.53 × 22,411.95
  4. Step 4: Simplify right side
    40,317.18x = 1,246,990,364.38
  5. Step 5: Solve for x
    x = 1,246,990,364.38/40,317.18
  6. Step 6: Final answer
    x = 30,929.50

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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.