Home / 39,772.78-59,644-17,574.04

Finding the Fourth Proportional to 39,772.78, 59,644 and 17,574.04

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Solution

The fourth proportional to 39,772.78, 59,644 and 17,574.04 is: 26,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,772.78 : 59,644 = 17,574.04 : x
  2. Step 2: Convert to fraction form
    39,772.78/59,644 = 17,574.04/x
  3. Step 3: Cross multiply
    39,772.78x = 59,644 × 17,574.04
  4. Step 4: Simplify right side
    39,772.78x = 1,048,186,041.76
  5. Step 5: Solve for x
    x = 1,048,186,041.76/39,772.78
  6. Step 6: Final answer
    x = 26,354.36

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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.