Home / 43,263.46-64,903.20-13,688.74

Finding the Fourth Proportional to 43,263.46, 64,903.20 and 13,688.74

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Solution

The fourth proportional to 43,263.46, 64,903.20 and 13,688.74 is: 20,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,263.46 : 64,903.20 = 13,688.74 : x
  2. Step 2: Convert to fraction form
    43,263.46/64,903.20 = 13,688.74/x
  3. Step 3: Cross multiply
    43,263.46x = 64,903.20 × 13,688.74
  4. Step 4: Simplify right side
    43,263.46x = 888,443,029.97
  5. Step 5: Solve for x
    x = 888,443,029.97/43,263.46
  6. Step 6: Final answer
    x = 20,535.64

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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.