Home / 38,304.78-57,457.15-12,011.64

Finding the Fourth Proportional to 38,304.78, 57,457.15 and 12,011.64

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Solution

The fourth proportional to 38,304.78, 57,457.15 and 12,011.64 is: 18,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,304.78 : 57,457.15 = 12,011.64 : x
  2. Step 2: Convert to fraction form
    38,304.78/57,457.15 = 12,011.64/x
  3. Step 3: Cross multiply
    38,304.78x = 57,457.15 × 12,011.64
  4. Step 4: Simplify right side
    38,304.78x = 690,154,601.23
  5. Step 5: Solve for x
    x = 690,154,601.23/38,304.78
  6. Step 6: Final answer
    x = 18,017.45

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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.