Home / 43,025.80-64,537.60-13,457.56

Finding the Fourth Proportional to 43,025.80, 64,537.60 and 13,457.56

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Solution

The fourth proportional to 43,025.80, 64,537.60 and 13,457.56 is: 20,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,025.80 : 64,537.60 = 13,457.56 : x
  2. Step 2: Convert to fraction form
    43,025.80/64,537.60 = 13,457.56/x
  3. Step 3: Cross multiply
    43,025.80x = 64,537.60 × 13,457.56
  4. Step 4: Simplify right side
    43,025.80x = 868,518,624.26
  5. Step 5: Solve for x
    x = 868,518,624.26/43,025.80
  6. Step 6: Final answer
    x = 20,186.00

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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.