Home / 51,109.60-70,528.08-29,887.60

Finding the Fourth Proportional to 51,109.60, 70,528.08 and 29,887.60

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Solution

The fourth proportional to 51,109.60, 70,528.08 and 29,887.60 is: 41,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,109.60 : 70,528.08 = 29,887.60 : x
  2. Step 2: Convert to fraction form
    51,109.60/70,528.08 = 29,887.60/x
  3. Step 3: Cross multiply
    51,109.60x = 70,528.08 × 29,887.60
  4. Step 4: Simplify right side
    51,109.60x = 2,107,915,043.81
  5. Step 5: Solve for x
    x = 2,107,915,043.81/51,109.60
  6. Step 6: Final answer
    x = 41,243.04

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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.