Home / 39,153.84-54,032.52-21,248.88

Finding the Fourth Proportional to 39,153.84, 54,032.52 and 21,248.88

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Solution

The fourth proportional to 39,153.84, 54,032.52 and 21,248.88 is: 29,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153.84 : 54,032.52 = 21,248.88 : x
  2. Step 2: Convert to fraction form
    39,153.84/54,032.52 = 21,248.88/x
  3. Step 3: Cross multiply
    39,153.84x = 54,032.52 × 21,248.88
  4. Step 4: Simplify right side
    39,153.84x = 1,148,130,533.58
  5. Step 5: Solve for x
    x = 1,148,130,533.58/39,153.84
  6. Step 6: Final answer
    x = 29,323.57

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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.