Home / 31,779.51-43,855.95-17,632.59

Finding the Fourth Proportional to 31,779.51, 43,855.95 and 17,632.59

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Solution

The fourth proportional to 31,779.51, 43,855.95 and 17,632.59 is: 24,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779.51 : 43,855.95 = 17,632.59 : x
  2. Step 2: Convert to fraction form
    31,779.51/43,855.95 = 17,632.59/x
  3. Step 3: Cross multiply
    31,779.51x = 43,855.95 × 17,632.59
  4. Step 4: Simplify right side
    31,779.51x = 773,293,985.41
  5. Step 5: Solve for x
    x = 773,293,985.41/31,779.51
  6. Step 6: Final answer
    x = 24,333.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.