Home / 63,557.44-87,672.81-39,642.60

Finding the Fourth Proportional to 63,557.44, 87,672.81 and 39,642.60

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Solution

The fourth proportional to 63,557.44, 87,672.81 and 39,642.60 is: 54,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,557.44 : 87,672.81 = 39,642.60 : x
  2. Step 2: Convert to fraction form
    63,557.44/87,672.81 = 39,642.60/x
  3. Step 3: Cross multiply
    63,557.44x = 87,672.81 × 39,642.60
  4. Step 4: Simplify right side
    63,557.44x = 3,475,578,137.71
  5. Step 5: Solve for x
    x = 3,475,578,137.71/63,557.44
  6. Step 6: Final answer
    x = 54,684.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.