Home / 61,327.47-84,666.80-39,836.55

Finding the Fourth Proportional to 61,327.47, 84,666.80 and 39,836.55

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Solution

The fourth proportional to 61,327.47, 84,666.80 and 39,836.55 is: 54,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,327.47 : 84,666.80 = 39,836.55 : x
  2. Step 2: Convert to fraction form
    61,327.47/84,666.80 = 39,836.55/x
  3. Step 3: Cross multiply
    61,327.47x = 84,666.80 × 39,836.55
  4. Step 4: Simplify right side
    61,327.47x = 3,372,833,012.36
  5. Step 5: Solve for x
    x = 3,372,833,012.36/61,327.47
  6. Step 6: Final answer
    x = 54,997.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.