Home / 29,618.16-44,439.59-12,990.14

Finding the Fourth Proportional to 29,618.16, 44,439.59 and 12,990.14

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Solution

The fourth proportional to 29,618.16, 44,439.59 and 12,990.14 is: 19,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,618.16 : 44,439.59 = 12,990.14 : x
  2. Step 2: Convert to fraction form
    29,618.16/44,439.59 = 12,990.14/x
  3. Step 3: Cross multiply
    29,618.16x = 44,439.59 × 12,990.14
  4. Step 4: Simplify right side
    29,618.16x = 577,276,495.64
  5. Step 5: Solve for x
    x = 577,276,495.64/29,618.16
  6. Step 6: Final answer
    x = 19,490.63

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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.