Home / 43,308.40-64,962.60-40,902.70

Finding the Fourth Proportional to 43,308.40, 64,962.60 and 40,902.70

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Solution

The fourth proportional to 43,308.40, 64,962.60 and 40,902.70 is: 61,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,308.40 : 64,962.60 = 40,902.70 : x
  2. Step 2: Convert to fraction form
    43,308.40/64,962.60 = 40,902.70/x
  3. Step 3: Cross multiply
    43,308.40x = 64,962.60 × 40,902.70
  4. Step 4: Simplify right side
    43,308.40x = 2,657,145,739.02
  5. Step 5: Solve for x
    x = 2,657,145,739.02/43,308.40
  6. Step 6: Final answer
    x = 61,354.05

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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.