Home / 35,813.60-49,421.30-19,899.06

Finding the Fourth Proportional to 35,813.60, 49,421.30 and 19,899.06

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Solution

The fourth proportional to 35,813.60, 49,421.30 and 19,899.06 is: 27,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,813.60 : 49,421.30 = 19,899.06 : x
  2. Step 2: Convert to fraction form
    35,813.60/49,421.30 = 19,899.06/x
  3. Step 3: Cross multiply
    35,813.60x = 49,421.30 × 19,899.06
  4. Step 4: Simplify right side
    35,813.60x = 983,437,413.98
  5. Step 5: Solve for x
    x = 983,437,413.98/35,813.60
  6. Step 6: Final answer
    x = 27,459.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.