Home / 38,916.72-58,337.52-12,603.60

Finding the Fourth Proportional to 38,916.72, 58,337.52 and 12,603.60

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Solution

The fourth proportional to 38,916.72, 58,337.52 and 12,603.60 is: 18,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916.72 : 58,337.52 = 12,603.60 : x
  2. Step 2: Convert to fraction form
    38,916.72/58,337.52 = 12,603.60/x
  3. Step 3: Cross multiply
    38,916.72x = 58,337.52 × 12,603.60
  4. Step 4: Simplify right side
    38,916.72x = 735,262,767.07
  5. Step 5: Solve for x
    x = 735,262,767.07/38,916.72
  6. Step 6: Final answer
    x = 18,893.24

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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.