Home / 38,012.16-57,021.12-10,312.32

Finding the Fourth Proportional to 38,012.16, 57,021.12 and 10,312.32

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Solution

The fourth proportional to 38,012.16, 57,021.12 and 10,312.32 is: 15,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,012.16 : 57,021.12 = 10,312.32 : x
  2. Step 2: Convert to fraction form
    38,012.16/57,021.12 = 10,312.32/x
  3. Step 3: Cross multiply
    38,012.16x = 57,021.12 × 10,312.32
  4. Step 4: Simplify right side
    38,012.16x = 588,020,036.20
  5. Step 5: Solve for x
    x = 588,020,036.20/38,012.16
  6. Step 6: Final answer
    x = 15,469.26

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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.