Home / 38,603.18-57,904.16-12,307.75

Finding the Fourth Proportional to 38,603.18, 57,904.16 and 12,307.75

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Solution

The fourth proportional to 38,603.18, 57,904.16 and 12,307.75 is: 18,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,603.18 : 57,904.16 = 12,307.75 : x
  2. Step 2: Convert to fraction form
    38,603.18/57,904.16 = 12,307.75/x
  3. Step 3: Cross multiply
    38,603.18x = 57,904.16 × 12,307.75
  4. Step 4: Simplify right side
    38,603.18x = 712,669,635.72
  5. Step 5: Solve for x
    x = 712,669,635.72/38,603.18
  6. Step 6: Final answer
    x = 18,461.42

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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.