Home / 39,420.12-59,153.76-15,723.48

Finding the Fourth Proportional to 39,420.12, 59,153.76 and 15,723.48

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Solution

The fourth proportional to 39,420.12, 59,153.76 and 15,723.48 is: 23,594.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420.12 : 59,153.76 = 15,723.48 : x
  2. Step 2: Convert to fraction form
    39,420.12/59,153.76 = 15,723.48/x
  3. Step 3: Cross multiply
    39,420.12x = 59,153.76 × 15,723.48
  4. Step 4: Simplify right side
    39,420.12x = 930,102,962.28
  5. Step 5: Solve for x
    x = 930,102,962.28/39,420.12
  6. Step 6: Final answer
    x = 23,594.63

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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.