Home / 51,655.42-77,513.04-21,666.98

Finding the Fourth Proportional to 51,655.42, 77,513.04 and 21,666.98

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Solution

The fourth proportional to 51,655.42, 77,513.04 and 21,666.98 is: 32,513.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,655.42 : 77,513.04 = 21,666.98 : x
  2. Step 2: Convert to fraction form
    51,655.42/77,513.04 = 21,666.98/x
  3. Step 3: Cross multiply
    51,655.42x = 77,513.04 × 21,666.98
  4. Step 4: Simplify right side
    51,655.42x = 1,679,473,487.42
  5. Step 5: Solve for x
    x = 1,679,473,487.42/51,655.42
  6. Step 6: Final answer
    x = 32,513.02

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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.