Home / 56,459.04-84,699.88-19,017.60

Finding the Fourth Proportional to 56,459.04, 84,699.88 and 19,017.60

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Solution

The fourth proportional to 56,459.04, 84,699.88 and 19,017.60 is: 28,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,459.04 : 84,699.88 = 19,017.60 : x
  2. Step 2: Convert to fraction form
    56,459.04/84,699.88 = 19,017.60/x
  3. Step 3: Cross multiply
    56,459.04x = 84,699.88 × 19,017.60
  4. Step 4: Simplify right side
    56,459.04x = 1,610,788,437.89
  5. Step 5: Solve for x
    x = 1,610,788,437.89/56,459.04
  6. Step 6: Final answer
    x = 28,530.21

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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.