Home / 60,855.63-91,288.26-21,421.59

Finding the Fourth Proportional to 60,855.63, 91,288.26 and 21,421.59

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Solution

The fourth proportional to 60,855.63, 91,288.26 and 21,421.59 is: 32,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,855.63 : 91,288.26 = 21,421.59 : x
  2. Step 2: Convert to fraction form
    60,855.63/91,288.26 = 21,421.59/x
  3. Step 3: Cross multiply
    60,855.63x = 91,288.26 × 21,421.59
  4. Step 4: Simplify right side
    60,855.63x = 1,955,539,677.53
  5. Step 5: Solve for x
    x = 1,955,539,677.53/60,855.63
  6. Step 6: Final answer
    x = 32,134.08

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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.