Home / 32,490.69-48,737.76-9,118.95

Finding the Fourth Proportional to 32,490.69, 48,737.76 and 9,118.95

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Solution

The fourth proportional to 32,490.69, 48,737.76 and 9,118.95 is: 13,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,490.69 : 48,737.76 = 9,118.95 : x
  2. Step 2: Convert to fraction form
    32,490.69/48,737.76 = 9,118.95/x
  3. Step 3: Cross multiply
    32,490.69x = 48,737.76 × 9,118.95
  4. Step 4: Simplify right side
    32,490.69x = 444,437,295.60
  5. Step 5: Solve for x
    x = 444,437,295.60/32,490.69
  6. Step 6: Final answer
    x = 13,678.91

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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.