Home / 53,385.30-73,668.55-29,510.55

Finding the Fourth Proportional to 53,385.30, 73,668.55 and 29,510.55

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Solution

The fourth proportional to 53,385.30, 73,668.55 and 29,510.55 is: 40,722.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,385.30 : 73,668.55 = 29,510.55 : x
  2. Step 2: Convert to fraction form
    53,385.30/73,668.55 = 29,510.55/x
  3. Step 3: Cross multiply
    53,385.30x = 73,668.55 × 29,510.55
  4. Step 4: Simplify right side
    53,385.30x = 2,173,999,354.43
  5. Step 5: Solve for x
    x = 2,173,999,354.43/53,385.30
  6. Step 6: Final answer
    x = 40,722.81

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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.