Home / 39,603.16-59,404.74-13,307.98

Finding the Fourth Proportional to 39,603.16, 59,404.74 and 13,307.98

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Solution

The fourth proportional to 39,603.16, 59,404.74 and 13,307.98 is: 19,961.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,603.16 : 59,404.74 = 13,307.98 : x
  2. Step 2: Convert to fraction form
    39,603.16/59,404.74 = 13,307.98/x
  3. Step 3: Cross multiply
    39,603.16x = 59,404.74 × 13,307.98
  4. Step 4: Simplify right side
    39,603.16x = 790,557,091.83
  5. Step 5: Solve for x
    x = 790,557,091.83/39,603.16
  6. Step 6: Final answer
    x = 19,961.97

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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.