Home / 34,237.60-51,370.80-18,666.40

Finding the Fourth Proportional to 34,237.60, 51,370.80 and 18,666.40

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Solution

The fourth proportional to 34,237.60, 51,370.80 and 18,666.40 is: 28,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,237.60 : 51,370.80 = 18,666.40 : x
  2. Step 2: Convert to fraction form
    34,237.60/51,370.80 = 18,666.40/x
  3. Step 3: Cross multiply
    34,237.60x = 51,370.80 × 18,666.40
  4. Step 4: Simplify right side
    34,237.60x = 958,907,901.12
  5. Step 5: Solve for x
    x = 958,907,901.12/34,237.60
  6. Step 6: Final answer
    x = 28,007.45

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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.