Home / 51,294.72-70,779.84-28,632.96

Finding the Fourth Proportional to 51,294.72, 70,779.84 and 28,632.96

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Solution

The fourth proportional to 51,294.72, 70,779.84 and 28,632.96 is: 39,509.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,294.72 : 70,779.84 = 28,632.96 : x
  2. Step 2: Convert to fraction form
    51,294.72/70,779.84 = 28,632.96/x
  3. Step 3: Cross multiply
    51,294.72x = 70,779.84 × 28,632.96
  4. Step 4: Simplify right side
    51,294.72x = 2,026,636,327.53
  5. Step 5: Solve for x
    x = 2,026,636,327.53/51,294.72
  6. Step 6: Final answer
    x = 39,509.65

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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.