Home / 53,210.85-79,828.79-15,771.23

Finding the Fourth Proportional to 53,210.85, 79,828.79 and 15,771.23

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Solution

The fourth proportional to 53,210.85, 79,828.79 and 15,771.23 is: 23,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,210.85 : 79,828.79 = 15,771.23 : x
  2. Step 2: Convert to fraction form
    53,210.85/79,828.79 = 15,771.23/x
  3. Step 3: Cross multiply
    53,210.85x = 79,828.79 × 15,771.23
  4. Step 4: Simplify right side
    53,210.85x = 1,258,998,207.71
  5. Step 5: Solve for x
    x = 1,258,998,207.71/53,210.85
  6. Step 6: Final answer
    x = 23,660.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.