Home / 39,000.06-53,819.88-21,095.01

Finding the Fourth Proportional to 39,000.06, 53,819.88 and 21,095.01

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Solution

The fourth proportional to 39,000.06, 53,819.88 and 21,095.01 is: 29,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.06 : 53,819.88 = 21,095.01 : x
  2. Step 2: Convert to fraction form
    39,000.06/53,819.88 = 21,095.01/x
  3. Step 3: Cross multiply
    39,000.06x = 53,819.88 × 21,095.01
  4. Step 4: Simplify right side
    39,000.06x = 1,135,330,906.80
  5. Step 5: Solve for x
    x = 1,135,330,906.80/39,000.06
  6. Step 6: Final answer
    x = 29,111.00

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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.