Home / 43,263.96-64,903.95-13,689.24

Finding the Fourth Proportional to 43,263.96, 64,903.95 and 13,689.24

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Solution

The fourth proportional to 43,263.96, 64,903.95 and 13,689.24 is: 20,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,263.96 : 64,903.95 = 13,689.24 : x
  2. Step 2: Convert to fraction form
    43,263.96/64,903.95 = 13,689.24/x
  3. Step 3: Cross multiply
    43,263.96x = 64,903.95 × 13,689.24
  4. Step 4: Simplify right side
    43,263.96x = 888,485,748.50
  5. Step 5: Solve for x
    x = 888,485,748.50/43,263.96
  6. Step 6: Final answer
    x = 20,536.39

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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.