Home / 39,661.02-59,520.33-31,962.78

Finding the Fourth Proportional to 39,661.02, 59,520.33 and 31,962.78

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Solution

The fourth proportional to 39,661.02, 59,520.33 and 31,962.78 is: 47,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,661.02 : 59,520.33 = 31,962.78 : x
  2. Step 2: Convert to fraction form
    39,661.02/59,520.33 = 31,962.78/x
  3. Step 3: Cross multiply
    39,661.02x = 59,520.33 × 31,962.78
  4. Step 4: Simplify right side
    39,661.02x = 1,902,435,213.32
  5. Step 5: Solve for x
    x = 1,902,435,213.32/39,661.02
  6. Step 6: Final answer
    x = 47,967.38

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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.