Home / 43,237.80-64,861.02-13,251.69

Finding the Fourth Proportional to 43,237.80, 64,861.02 and 13,251.69

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Solution

The fourth proportional to 43,237.80, 64,861.02 and 13,251.69 is: 19,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,237.80 : 64,861.02 = 13,251.69 : x
  2. Step 2: Convert to fraction form
    43,237.80/64,861.02 = 13,251.69/x
  3. Step 3: Cross multiply
    43,237.80x = 64,861.02 × 13,251.69
  4. Step 4: Simplify right side
    43,237.80x = 859,518,130.12
  5. Step 5: Solve for x
    x = 859,518,130.12/43,237.80
  6. Step 6: Final answer
    x = 19,878.86

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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.