Home / 67,900.07-101,817.30-28,446.59

Finding the Fourth Proportional to 67,900.07, 101,817.30 and 28,446.59

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Solution

The fourth proportional to 67,900.07, 101,817.30 and 28,446.59 is: 42,656.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,900.07 : 101,817.30 = 28,446.59 : x
  2. Step 2: Convert to fraction form
    67,900.07/101,817.30 = 28,446.59/x
  3. Step 3: Cross multiply
    67,900.07x = 101,817.30 × 28,446.59
  4. Step 4: Simplify right side
    67,900.07x = 2,896,354,988.01
  5. Step 5: Solve for x
    x = 2,896,354,988.01/67,900.07
  6. Step 6: Final answer
    x = 42,656.14

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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.