Home / 38,955.12-58,484.52-20,500.08

Finding the Fourth Proportional to 38,955.12, 58,484.52 and 20,500.08

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Solution

The fourth proportional to 38,955.12, 58,484.52 and 20,500.08 is: 30,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,955.12 : 58,484.52 = 20,500.08 : x
  2. Step 2: Convert to fraction form
    38,955.12/58,484.52 = 20,500.08/x
  3. Step 3: Cross multiply
    38,955.12x = 58,484.52 × 20,500.08
  4. Step 4: Simplify right side
    38,955.12x = 1,198,937,338.76
  5. Step 5: Solve for x
    x = 1,198,937,338.76/38,955.12
  6. Step 6: Final answer
    x = 30,777.40

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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.