Home / 53,000.20-73,140.03-30,339.07

Finding the Fourth Proportional to 53,000.20, 73,140.03 and 30,339.07

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Solution

The fourth proportional to 53,000.20, 73,140.03 and 30,339.07 is: 41,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.20 : 73,140.03 = 30,339.07 : x
  2. Step 2: Convert to fraction form
    53,000.20/73,140.03 = 30,339.07/x
  3. Step 3: Cross multiply
    53,000.20x = 73,140.03 × 30,339.07
  4. Step 4: Simplify right side
    53,000.20x = 2,219,000,124.27
  5. Step 5: Solve for x
    x = 2,219,000,124.27/53,000.20
  6. Step 6: Final answer
    x = 41,867.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.