Home / 39,059.29-53,901.51-21,153.88

Finding the Fourth Proportional to 39,059.29, 53,901.51 and 21,153.88

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Solution

The fourth proportional to 39,059.29, 53,901.51 and 21,153.88 is: 29,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,059.29 : 53,901.51 = 21,153.88 : x
  2. Step 2: Convert to fraction form
    39,059.29/53,901.51 = 21,153.88/x
  3. Step 3: Cross multiply
    39,059.29x = 53,901.51 × 21,153.88
  4. Step 4: Simplify right side
    39,059.29x = 1,140,226,074.36
  5. Step 5: Solve for x
    x = 1,140,226,074.36/39,059.29
  6. Step 6: Final answer
    x = 29,192.19

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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.