Home / 34,165.40-51,215.70-30,666.20

Finding the Fourth Proportional to 34,165.40, 51,215.70 and 30,666.20

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Solution

The fourth proportional to 34,165.40, 51,215.70 and 30,666.20 is: 45,970.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,165.40 : 51,215.70 = 30,666.20 : x
  2. Step 2: Convert to fraction form
    34,165.40/51,215.70 = 30,666.20/x
  3. Step 3: Cross multiply
    34,165.40x = 51,215.70 × 30,666.20
  4. Step 4: Simplify right side
    34,165.40x = 1,570,590,899.34
  5. Step 5: Solve for x
    x = 1,570,590,899.34/34,165.40
  6. Step 6: Final answer
    x = 45,970.22

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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.