Home / 39,761.64-59,642.72-11,681.58

Finding the Fourth Proportional to 39,761.64, 59,642.72 and 11,681.58

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Solution

The fourth proportional to 39,761.64, 59,642.72 and 11,681.58 is: 17,522.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.64 : 59,642.72 = 11,681.58 : x
  2. Step 2: Convert to fraction form
    39,761.64/59,642.72 = 11,681.58/x
  3. Step 3: Cross multiply
    39,761.64x = 59,642.72 × 11,681.58
  4. Step 4: Simplify right side
    39,761.64x = 696,721,146.69
  5. Step 5: Solve for x
    x = 696,721,146.69/39,761.64
  6. Step 6: Final answer
    x = 17,522.44

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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.