Home / 39,830.05-59,731.30-17,658.93

Finding the Fourth Proportional to 39,830.05, 59,731.30 and 17,658.93

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Solution

The fourth proportional to 39,830.05, 59,731.30 and 17,658.93 is: 26,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.05 : 59,731.30 = 17,658.93 : x
  2. Step 2: Convert to fraction form
    39,830.05/59,731.30 = 17,658.93/x
  3. Step 3: Cross multiply
    39,830.05x = 59,731.30 × 17,658.93
  4. Step 4: Simplify right side
    39,830.05x = 1,054,790,845.51
  5. Step 5: Solve for x
    x = 1,054,790,845.51/39,830.05
  6. Step 6: Final answer
    x = 26,482.29

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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.