Home / 43,308.95-64,965.25-13,726.13

Finding the Fourth Proportional to 43,308.95, 64,965.25 and 13,726.13

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Solution

The fourth proportional to 43,308.95, 64,965.25 and 13,726.13 is: 20,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,308.95 : 64,965.25 = 13,726.13 : x
  2. Step 2: Convert to fraction form
    43,308.95/64,965.25 = 13,726.13/x
  3. Step 3: Cross multiply
    43,308.95x = 64,965.25 × 13,726.13
  4. Step 4: Simplify right side
    43,308.95x = 891,721,466.98
  5. Step 5: Solve for x
    x = 891,721,466.98/43,308.95
  6. Step 6: Final answer
    x = 20,589.77

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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.