Home / 34,005.80-51,008.70-30,312.20

Finding the Fourth Proportional to 34,005.80, 51,008.70 and 30,312.20

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Solution

The fourth proportional to 34,005.80, 51,008.70 and 30,312.20 is: 45,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,005.80 : 51,008.70 = 30,312.20 : x
  2. Step 2: Convert to fraction form
    34,005.80/51,008.70 = 30,312.20/x
  3. Step 3: Cross multiply
    34,005.80x = 51,008.70 × 30,312.20
  4. Step 4: Simplify right side
    34,005.80x = 1,546,185,916.14
  5. Step 5: Solve for x
    x = 1,546,185,916.14/34,005.80
  6. Step 6: Final answer
    x = 45,468.30

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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.