Home / 38,776.51-58,162.46-13,815.24

Finding the Fourth Proportional to 38,776.51, 58,162.46 and 13,815.24

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Solution

The fourth proportional to 38,776.51, 58,162.46 and 13,815.24 is: 20,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,776.51 : 58,162.46 = 13,815.24 : x
  2. Step 2: Convert to fraction form
    38,776.51/58,162.46 = 13,815.24/x
  3. Step 3: Cross multiply
    38,776.51x = 58,162.46 × 13,815.24
  4. Step 4: Simplify right side
    38,776.51x = 803,528,343.89
  5. Step 5: Solve for x
    x = 803,528,343.89/38,776.51
  6. Step 6: Final answer
    x = 20,722.04

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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.