Home / 56,937.04-85,405.56-28,852.72

Finding the Fourth Proportional to 56,937.04, 85,405.56 and 28,852.72

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Solution

The fourth proportional to 56,937.04, 85,405.56 and 28,852.72 is: 43,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,937.04 : 85,405.56 = 28,852.72 : x
  2. Step 2: Convert to fraction form
    56,937.04/85,405.56 = 28,852.72/x
  3. Step 3: Cross multiply
    56,937.04x = 85,405.56 × 28,852.72
  4. Step 4: Simplify right side
    56,937.04x = 2,464,182,709.12
  5. Step 5: Solve for x
    x = 2,464,182,709.12/56,937.04
  6. Step 6: Final answer
    x = 43,279.08

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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.