Home / 43,206.15-64,809.23-13,626.30

Finding the Fourth Proportional to 43,206.15, 64,809.23 and 13,626.30

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Solution

The fourth proportional to 43,206.15, 64,809.23 and 13,626.30 is: 20,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,206.15 : 64,809.23 = 13,626.30 : x
  2. Step 2: Convert to fraction form
    43,206.15/64,809.23 = 13,626.30/x
  3. Step 3: Cross multiply
    43,206.15x = 64,809.23 × 13,626.30
  4. Step 4: Simplify right side
    43,206.15x = 883,110,044.81
  5. Step 5: Solve for x
    x = 883,110,044.81/43,206.15
  6. Step 6: Final answer
    x = 20,439.45

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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.