Home / 42,666.40-63,913.20-29,533.60

Finding the Fourth Proportional to 42,666.40, 63,913.20 and 29,533.60

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Solution

The fourth proportional to 42,666.40, 63,913.20 and 29,533.60 is: 44,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,666.40 : 63,913.20 = 29,533.60 : x
  2. Step 2: Convert to fraction form
    42,666.40/63,913.20 = 29,533.60/x
  3. Step 3: Cross multiply
    42,666.40x = 63,913.20 × 29,533.60
  4. Step 4: Simplify right side
    42,666.40x = 1,887,586,883.52
  5. Step 5: Solve for x
    x = 1,887,586,883.52/42,666.40
  6. Step 6: Final answer
    x = 44,240.59

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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.