Home / 43,037.32-64,557.90-13,455.76

Finding the Fourth Proportional to 43,037.32, 64,557.90 and 13,455.76

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Solution

The fourth proportional to 43,037.32, 64,557.90 and 13,455.76 is: 20,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,037.32 : 64,557.90 = 13,455.76 : x
  2. Step 2: Convert to fraction form
    43,037.32/64,557.90 = 13,455.76/x
  3. Step 3: Cross multiply
    43,037.32x = 64,557.90 × 13,455.76
  4. Step 4: Simplify right side
    43,037.32x = 868,675,608.50
  5. Step 5: Solve for x
    x = 868,675,608.50/43,037.32
  6. Step 6: Final answer
    x = 20,184.24

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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.