Home / 29,316.15-43,970.85-8,539.65

Finding the Fourth Proportional to 29,316.15, 43,970.85 and 8,539.65

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Solution

The fourth proportional to 29,316.15, 43,970.85 and 8,539.65 is: 12,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,316.15 : 43,970.85 = 8,539.65 : x
  2. Step 2: Convert to fraction form
    29,316.15/43,970.85 = 8,539.65/x
  3. Step 3: Cross multiply
    29,316.15x = 43,970.85 × 8,539.65
  4. Step 4: Simplify right side
    29,316.15x = 375,495,669.20
  5. Step 5: Solve for x
    x = 375,495,669.20/29,316.15
  6. Step 6: Final answer
    x = 12,808.49

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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.