Home / 37,548-51,827.79-21,643.05

Finding the Fourth Proportional to 37,548, 51,827.79 and 21,643.05

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Solution

The fourth proportional to 37,548, 51,827.79 and 21,643.05 is: 29,874.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,548 : 51,827.79 = 21,643.05 : x
  2. Step 2: Convert to fraction form
    37,548/51,827.79 = 21,643.05/x
  3. Step 3: Cross multiply
    37,548x = 51,827.79 × 21,643.05
  4. Step 4: Simplify right side
    37,548x = 1,121,711,450.36
  5. Step 5: Solve for x
    x = 1,121,711,450.36/37,548
  6. Step 6: Final answer
    x = 29,874.07

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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.