Home / 39,893.89-59,840.65-10,309.21

Finding the Fourth Proportional to 39,893.89, 59,840.65 and 10,309.21

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Solution

The fourth proportional to 39,893.89, 59,840.65 and 10,309.21 is: 15,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,893.89 : 59,840.65 = 10,309.21 : x
  2. Step 2: Convert to fraction form
    39,893.89/59,840.65 = 10,309.21/x
  3. Step 3: Cross multiply
    39,893.89x = 59,840.65 × 10,309.21
  4. Step 4: Simplify right side
    39,893.89x = 616,909,476.64
  5. Step 5: Solve for x
    x = 616,909,476.64/39,893.89
  6. Step 6: Final answer
    x = 15,463.76

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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.