Home / 38,740.02-58,097.61-12,438.42

Finding the Fourth Proportional to 38,740.02, 58,097.61 and 12,438.42

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Solution

The fourth proportional to 38,740.02, 58,097.61 and 12,438.42 is: 18,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,740.02 : 58,097.61 = 12,438.42 : x
  2. Step 2: Convert to fraction form
    38,740.02/58,097.61 = 12,438.42/x
  3. Step 3: Cross multiply
    38,740.02x = 58,097.61 × 12,438.42
  4. Step 4: Simplify right side
    38,740.02x = 722,642,474.18
  5. Step 5: Solve for x
    x = 722,642,474.18/38,740.02
  6. Step 6: Final answer
    x = 18,653.64

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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.