Home / 56,630.46-84,956.40-18,681.90

Finding the Fourth Proportional to 56,630.46, 84,956.40 and 18,681.90

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Solution

The fourth proportional to 56,630.46, 84,956.40 and 18,681.90 is: 28,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,630.46 : 84,956.40 = 18,681.90 : x
  2. Step 2: Convert to fraction form
    56,630.46/84,956.40 = 18,681.90/x
  3. Step 3: Cross multiply
    56,630.46x = 84,956.40 × 18,681.90
  4. Step 4: Simplify right side
    56,630.46x = 1,587,146,969.16
  5. Step 5: Solve for x
    x = 1,587,146,969.16/56,630.46
  6. Step 6: Final answer
    x = 28,026.38

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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.