Home / 39,043.12-53,828.64-24,890.80

Finding the Fourth Proportional to 39,043.12, 53,828.64 and 24,890.80

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Solution

The fourth proportional to 39,043.12, 53,828.64 and 24,890.80 is: 34,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,043.12 : 53,828.64 = 24,890.80 : x
  2. Step 2: Convert to fraction form
    39,043.12/53,828.64 = 24,890.80/x
  3. Step 3: Cross multiply
    39,043.12x = 53,828.64 × 24,890.80
  4. Step 4: Simplify right side
    39,043.12x = 1,339,837,912.51
  5. Step 5: Solve for x
    x = 1,339,837,912.51/39,043.12
  6. Step 6: Final answer
    x = 34,316.88

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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.