Home / 42,700.99-64,016.87-17,759.70

Finding the Fourth Proportional to 42,700.99, 64,016.87 and 17,759.70

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Solution

The fourth proportional to 42,700.99, 64,016.87 and 17,759.70 is: 26,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,700.99 : 64,016.87 = 17,759.70 : x
  2. Step 2: Convert to fraction form
    42,700.99/64,016.87 = 17,759.70/x
  3. Step 3: Cross multiply
    42,700.99x = 64,016.87 × 17,759.70
  4. Step 4: Simplify right side
    42,700.99x = 1,136,920,317.34
  5. Step 5: Solve for x
    x = 1,136,920,317.34/42,700.99
  6. Step 6: Final answer
    x = 26,625.15

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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.