Home / 51,310.18-76,973.10-21,728.17

Finding the Fourth Proportional to 51,310.18, 76,973.10 and 21,728.17

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Solution

The fourth proportional to 51,310.18, 76,973.10 and 21,728.17 is: 32,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310.18 : 76,973.10 = 21,728.17 : x
  2. Step 2: Convert to fraction form
    51,310.18/76,973.10 = 21,728.17/x
  3. Step 3: Cross multiply
    51,310.18x = 76,973.10 × 21,728.17
  4. Step 4: Simplify right side
    51,310.18x = 1,672,484,602.23
  5. Step 5: Solve for x
    x = 1,672,484,602.23/51,310.18
  6. Step 6: Final answer
    x = 32,595.57

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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.