Home / 43,934.95-65,899.13-15,855.00

Finding the Fourth Proportional to 43,934.95, 65,899.13 and 15,855.00

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Solution

The fourth proportional to 43,934.95, 65,899.13 and 15,855.00 is: 23,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,934.95 : 65,899.13 = 15,855.00 : x
  2. Step 2: Convert to fraction form
    43,934.95/65,899.13 = 15,855.00/x
  3. Step 3: Cross multiply
    43,934.95x = 65,899.13 × 15,855.00
  4. Step 4: Simplify right side
    43,934.95x = 1,044,830,501.76
  5. Step 5: Solve for x
    x = 1,044,830,501.76/43,934.95
  6. Step 6: Final answer
    x = 23,781.31

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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.