Home / 55,459.53-76,531.70-33,985.01

Finding the Fourth Proportional to 55,459.53, 76,531.70 and 33,985.01

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Solution

The fourth proportional to 55,459.53, 76,531.70 and 33,985.01 is: 46,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,459.53 : 76,531.70 = 33,985.01 : x
  2. Step 2: Convert to fraction form
    55,459.53/76,531.70 = 33,985.01/x
  3. Step 3: Cross multiply
    55,459.53x = 76,531.70 × 33,985.01
  4. Step 4: Simplify right side
    55,459.53x = 2,600,930,037.23
  5. Step 5: Solve for x
    x = 2,600,930,037.23/55,459.53
  6. Step 6: Final answer
    x = 46,897.80

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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.