Home / 39,013.60-53,828.40-22,246.24

Finding the Fourth Proportional to 39,013.60, 53,828.40 and 22,246.24

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Solution

The fourth proportional to 39,013.60, 53,828.40 and 22,246.24 is: 30,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,013.60 : 53,828.40 = 22,246.24 : x
  2. Step 2: Convert to fraction form
    39,013.60/53,828.40 = 22,246.24/x
  3. Step 3: Cross multiply
    39,013.60x = 53,828.40 × 22,246.24
  4. Step 4: Simplify right side
    39,013.60x = 1,197,479,505.22
  5. Step 5: Solve for x
    x = 1,197,479,505.22/39,013.60
  6. Step 6: Final answer
    x = 30,693.90

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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.