Home / 32,856.40-49,284.60-12,077.20

Finding the Fourth Proportional to 32,856.40, 49,284.60 and 12,077.20

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Solution

The fourth proportional to 32,856.40, 49,284.60 and 12,077.20 is: 18,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,856.40 : 49,284.60 = 12,077.20 : x
  2. Step 2: Convert to fraction form
    32,856.40/49,284.60 = 12,077.20/x
  3. Step 3: Cross multiply
    32,856.40x = 49,284.60 × 12,077.20
  4. Step 4: Simplify right side
    32,856.40x = 595,219,971.12
  5. Step 5: Solve for x
    x = 595,219,971.12/32,856.40
  6. Step 6: Final answer
    x = 18,115.80

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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.