Home / 45,567.76-68,354.88-13,973.72

Finding the Fourth Proportional to 45,567.76, 68,354.88 and 13,973.72

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Solution

The fourth proportional to 45,567.76, 68,354.88 and 13,973.72 is: 20,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,567.76 : 68,354.88 = 13,973.72 : x
  2. Step 2: Convert to fraction form
    45,567.76/68,354.88 = 13,973.72/x
  3. Step 3: Cross multiply
    45,567.76x = 68,354.88 × 13,973.72
  4. Step 4: Simplify right side
    45,567.76x = 955,171,953.75
  5. Step 5: Solve for x
    x = 955,171,953.75/45,567.76
  6. Step 6: Final answer
    x = 20,961.57

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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.