Home / 30,237.14-45,360.40-15,438.06

Finding the Fourth Proportional to 30,237.14, 45,360.40 and 15,438.06

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Solution

The fourth proportional to 30,237.14, 45,360.40 and 15,438.06 is: 23,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237.14 : 45,360.40 = 15,438.06 : x
  2. Step 2: Convert to fraction form
    30,237.14/45,360.40 = 15,438.06/x
  3. Step 3: Cross multiply
    30,237.14x = 45,360.40 × 15,438.06
  4. Step 4: Simplify right side
    30,237.14x = 700,276,576.82
  5. Step 5: Solve for x
    x = 700,276,576.82/30,237.14
  6. Step 6: Final answer
    x = 23,159.48

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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.