Home / 36,681.41-55,011.96-12,985.84

Finding the Fourth Proportional to 36,681.41, 55,011.96 and 12,985.84

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Solution

The fourth proportional to 36,681.41, 55,011.96 and 12,985.84 is: 19,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.41 : 55,011.96 = 12,985.84 : x
  2. Step 2: Convert to fraction form
    36,681.41/55,011.96 = 12,985.84/x
  3. Step 3: Cross multiply
    36,681.41x = 55,011.96 × 12,985.84
  4. Step 4: Simplify right side
    36,681.41x = 714,376,579.41
  5. Step 5: Solve for x
    x = 714,376,579.41/36,681.41
  6. Step 6: Final answer
    x = 19,475.17

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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.