Home / 34,570.40-51,740.40-30,423.20

Finding the Fourth Proportional to 34,570.40, 51,740.40 and 30,423.20

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Solution

The fourth proportional to 34,570.40, 51,740.40 and 30,423.20 is: 45,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,570.40 : 51,740.40 = 30,423.20 : x
  2. Step 2: Convert to fraction form
    34,570.40/51,740.40 = 30,423.20/x
  3. Step 3: Cross multiply
    34,570.40x = 51,740.40 × 30,423.20
  4. Step 4: Simplify right side
    34,570.40x = 1,574,108,537.28
  5. Step 5: Solve for x
    x = 1,574,108,537.28/34,570.40
  6. Step 6: Final answer
    x = 45,533.42

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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.