Home / 43,085.42-64,630.17-13,503.51

Finding the Fourth Proportional to 43,085.42, 64,630.17 and 13,503.51

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Solution

The fourth proportional to 43,085.42, 64,630.17 and 13,503.51 is: 20,255.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,085.42 : 64,630.17 = 13,503.51 : x
  2. Step 2: Convert to fraction form
    43,085.42/64,630.17 = 13,503.51/x
  3. Step 3: Cross multiply
    43,085.42x = 64,630.17 × 13,503.51
  4. Step 4: Simplify right side
    43,085.42x = 872,734,146.90
  5. Step 5: Solve for x
    x = 872,734,146.90/43,085.42
  6. Step 6: Final answer
    x = 20,255.91

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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.