Home / 38,745.48-58,154.60-19,038.18

Finding the Fourth Proportional to 38,745.48, 58,154.60 and 19,038.18

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Solution

The fourth proportional to 38,745.48, 58,154.60 and 19,038.18 is: 28,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745.48 : 58,154.60 = 19,038.18 : x
  2. Step 2: Convert to fraction form
    38,745.48/58,154.60 = 19,038.18/x
  3. Step 3: Cross multiply
    38,745.48x = 58,154.60 × 19,038.18
  4. Step 4: Simplify right side
    38,745.48x = 1,107,157,742.63
  5. Step 5: Solve for x
    x = 1,107,157,742.63/38,745.48
  6. Step 6: Final answer
    x = 28,575.15

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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.