Home / 52,328.66-78,493.28-12,885.48

Finding the Fourth Proportional to 52,328.66, 78,493.28 and 12,885.48

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Solution

The fourth proportional to 52,328.66, 78,493.28 and 12,885.48 is: 19,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,328.66 : 78,493.28 = 12,885.48 : x
  2. Step 2: Convert to fraction form
    52,328.66/78,493.28 = 12,885.48/x
  3. Step 3: Cross multiply
    52,328.66x = 78,493.28 × 12,885.48
  4. Step 4: Simplify right side
    52,328.66x = 1,011,423,525.15
  5. Step 5: Solve for x
    x = 1,011,423,525.15/52,328.66
  6. Step 6: Final answer
    x = 19,328.29

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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.