Home / 51,106.79-76,575.13-17,808.50

Finding the Fourth Proportional to 51,106.79, 76,575.13 and 17,808.50

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Solution

The fourth proportional to 51,106.79, 76,575.13 and 17,808.50 is: 26,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,106.79 : 76,575.13 = 17,808.50 : x
  2. Step 2: Convert to fraction form
    51,106.79/76,575.13 = 17,808.50/x
  3. Step 3: Cross multiply
    51,106.79x = 76,575.13 × 17,808.50
  4. Step 4: Simplify right side
    51,106.79x = 1,363,688,349.52
  5. Step 5: Solve for x
    x = 1,363,688,349.52/51,106.79
  6. Step 6: Final answer
    x = 26,683.11

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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.