Home / 44,515.01-66,779.10-12,920.98

Finding the Fourth Proportional to 44,515.01, 66,779.10 and 12,920.98

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Solution

The fourth proportional to 44,515.01, 66,779.10 and 12,920.98 is: 19,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,515.01 : 66,779.10 = 12,920.98 : x
  2. Step 2: Convert to fraction form
    44,515.01/66,779.10 = 12,920.98/x
  3. Step 3: Cross multiply
    44,515.01x = 66,779.10 × 12,920.98
  4. Step 4: Simplify right side
    44,515.01x = 862,851,415.52
  5. Step 5: Solve for x
    x = 862,851,415.52/44,515.01
  6. Step 6: Final answer
    x = 19,383.38

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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.