Home / 38,748.15-58,129.08-20,022.99

Finding the Fourth Proportional to 38,748.15, 58,129.08 and 20,022.99

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Solution

The fourth proportional to 38,748.15, 58,129.08 and 20,022.99 is: 30,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,748.15 : 58,129.08 = 20,022.99 : x
  2. Step 2: Convert to fraction form
    38,748.15/58,129.08 = 20,022.99/x
  3. Step 3: Cross multiply
    38,748.15x = 58,129.08 × 20,022.99
  4. Step 4: Simplify right side
    38,748.15x = 1,163,917,987.55
  5. Step 5: Solve for x
    x = 1,163,917,987.55/38,748.15
  6. Step 6: Final answer
    x = 30,038.03

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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.