Home / 39,681.90-59,521.64-13,384.44

Finding the Fourth Proportional to 39,681.90, 59,521.64 and 13,384.44

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Solution

The fourth proportional to 39,681.90, 59,521.64 and 13,384.44 is: 20,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,681.90 : 59,521.64 = 13,384.44 : x
  2. Step 2: Convert to fraction form
    39,681.90/59,521.64 = 13,384.44/x
  3. Step 3: Cross multiply
    39,681.90x = 59,521.64 × 13,384.44
  4. Step 4: Simplify right side
    39,681.90x = 796,663,752.36
  5. Step 5: Solve for x
    x = 796,663,752.36/39,681.90
  6. Step 6: Final answer
    x = 20,076.25

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1.5x scale

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.