Home / 39,244.80-53,971.20-36,134.40

Finding the Fourth Proportional to 39,244.80, 53,971.20 and 36,134.40

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Solution

The fourth proportional to 39,244.80, 53,971.20 and 36,134.40 is: 49,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,244.80 : 53,971.20 = 36,134.40 : x
  2. Step 2: Convert to fraction form
    39,244.80/53,971.20 = 36,134.40/x
  3. Step 3: Cross multiply
    39,244.80x = 53,971.20 × 36,134.40
  4. Step 4: Simplify right side
    39,244.80x = 1,950,216,929.28
  5. Step 5: Solve for x
    x = 1,950,216,929.28/39,244.80
  6. Step 6: Final answer
    x = 49,693.64

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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.