Home / 39,024.96-53,854.02-21,119.58

Finding the Fourth Proportional to 39,024.96, 53,854.02 and 21,119.58

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Solution

The fourth proportional to 39,024.96, 53,854.02 and 21,119.58 is: 29,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,024.96 : 53,854.02 = 21,119.58 : x
  2. Step 2: Convert to fraction form
    39,024.96/53,854.02 = 21,119.58/x
  3. Step 3: Cross multiply
    39,024.96x = 53,854.02 × 21,119.58
  4. Step 4: Simplify right side
    39,024.96x = 1,137,374,283.71
  5. Step 5: Solve for x
    x = 1,137,374,283.71/39,024.96
  6. Step 6: Final answer
    x = 29,144.79

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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.