Home / 43,700.76-65,573.01-21,488.13

Finding the Fourth Proportional to 43,700.76, 65,573.01 and 21,488.13

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Solution

The fourth proportional to 43,700.76, 65,573.01 and 21,488.13 is: 32,242.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,700.76 : 65,573.01 = 21,488.13 : x
  2. Step 2: Convert to fraction form
    43,700.76/65,573.01 = 21,488.13/x
  3. Step 3: Cross multiply
    43,700.76x = 65,573.01 × 21,488.13
  4. Step 4: Simplify right side
    43,700.76x = 1,409,041,363.37
  5. Step 5: Solve for x
    x = 1,409,041,363.37/43,700.76
  6. Step 6: Final answer
    x = 32,242.95

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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.