Home / 39,651.77-59,490-12,998.00

Finding the Fourth Proportional to 39,651.77, 59,490 and 12,998.00

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Solution

The fourth proportional to 39,651.77, 59,490 and 12,998.00 is: 19,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,651.77 : 59,490 = 12,998.00 : x
  2. Step 2: Convert to fraction form
    39,651.77/59,490 = 12,998.00/x
  3. Step 3: Cross multiply
    39,651.77x = 59,490 × 12,998.00
  4. Step 4: Simplify right side
    39,651.77x = 773,251,168.73
  5. Step 5: Solve for x
    x = 773,251,168.73/39,651.77
  6. Step 6: Final answer
    x = 19,501.05

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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.