Home / 43,085.28-64,627.94-13,503.12

Finding the Fourth Proportional to 43,085.28, 64,627.94 and 13,503.12

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Solution

The fourth proportional to 43,085.28, 64,627.94 and 13,503.12 is: 20,254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,085.28 : 64,627.94 = 13,503.12 : x
  2. Step 2: Convert to fraction form
    43,085.28/64,627.94 = 13,503.12/x
  3. Step 3: Cross multiply
    43,085.28x = 64,627.94 × 13,503.12
  4. Step 4: Simplify right side
    43,085.28x = 872,678,829.17
  5. Step 5: Solve for x
    x = 872,678,829.17/43,085.28
  6. Step 6: Final answer
    x = 20,254.69

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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.