Home / 42,735.90-64,090.17-14,266.74

Finding the Fourth Proportional to 42,735.90, 64,090.17 and 14,266.74

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Solution

The fourth proportional to 42,735.90, 64,090.17 and 14,266.74 is: 21,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,735.90 : 64,090.17 = 14,266.74 : x
  2. Step 2: Convert to fraction form
    42,735.90/64,090.17 = 14,266.74/x
  3. Step 3: Cross multiply
    42,735.90x = 64,090.17 × 14,266.74
  4. Step 4: Simplify right side
    42,735.90x = 914,357,791.95
  5. Step 5: Solve for x
    x = 914,357,791.95/42,735.90
  6. Step 6: Final answer
    x = 21,395.54

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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.