Home / 40,438.98-60,646.76-13,784.36

Finding the Fourth Proportional to 40,438.98, 60,646.76 and 13,784.36

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Solution

The fourth proportional to 40,438.98, 60,646.76 and 13,784.36 is: 20,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,438.98 : 60,646.76 = 13,784.36 : x
  2. Step 2: Convert to fraction form
    40,438.98/60,646.76 = 13,784.36/x
  3. Step 3: Cross multiply
    40,438.98x = 60,646.76 × 13,784.36
  4. Step 4: Simplify right side
    40,438.98x = 835,976,772.67
  5. Step 5: Solve for x
    x = 835,976,772.67/40,438.98
  6. Step 6: Final answer
    x = 20,672.55

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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.