Home / 45,955.88-63,421.66-28,045.72

Finding the Fourth Proportional to 45,955.88, 63,421.66 and 28,045.72

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Solution

The fourth proportional to 45,955.88, 63,421.66 and 28,045.72 is: 38,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,955.88 : 63,421.66 = 28,045.72 : x
  2. Step 2: Convert to fraction form
    45,955.88/63,421.66 = 28,045.72/x
  3. Step 3: Cross multiply
    45,955.88x = 63,421.66 × 28,045.72
  4. Step 4: Simplify right side
    45,955.88x = 1,778,706,118.30
  5. Step 5: Solve for x
    x = 1,778,706,118.30/45,955.88
  6. Step 6: Final answer
    x = 38,704.65

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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.