Home / 38,014.12-57,030.90-15,820.12

Finding the Fourth Proportional to 38,014.12, 57,030.90 and 15,820.12

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Solution

The fourth proportional to 38,014.12, 57,030.90 and 15,820.12 is: 23,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.12 : 57,030.90 = 15,820.12 : x
  2. Step 2: Convert to fraction form
    38,014.12/57,030.90 = 15,820.12/x
  3. Step 3: Cross multiply
    38,014.12x = 57,030.90 × 15,820.12
  4. Step 4: Simplify right side
    38,014.12x = 902,235,681.71
  5. Step 5: Solve for x
    x = 902,235,681.71/38,014.12
  6. Step 6: Final answer
    x = 23,734.23

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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.