Home / 39,703.36-59,555.04-17,800

Finding the Fourth Proportional to 39,703.36, 59,555.04 and 17,800

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Solution

The fourth proportional to 39,703.36, 59,555.04 and 17,800 is: 26,700

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,703.36 : 59,555.04 = 17,800 : x
  2. Step 2: Convert to fraction form
    39,703.36/59,555.04 = 17,800/x
  3. Step 3: Cross multiply
    39,703.36x = 59,555.04 × 17,800
  4. Step 4: Simplify right side
    39,703.36x = 1,060,079,712
  5. Step 5: Solve for x
    x = 1,060,079,712/39,703.36
  6. Step 6: Final answer
    x = 26,700

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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.