Home / 39,762.63-59,642.06-11,681.55

Finding the Fourth Proportional to 39,762.63, 59,642.06 and 11,681.55

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Solution

The fourth proportional to 39,762.63, 59,642.06 and 11,681.55 is: 17,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,762.63 : 59,642.06 = 11,681.55 : x
  2. Step 2: Convert to fraction form
    39,762.63/59,642.06 = 11,681.55/x
  3. Step 3: Cross multiply
    39,762.63x = 59,642.06 × 11,681.55
  4. Step 4: Simplify right side
    39,762.63x = 696,711,647.59
  5. Step 5: Solve for x
    x = 696,711,647.59/39,762.63
  6. Step 6: Final answer
    x = 17,521.77

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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.