Home / 47,905.04-66,089.08-28,519.98

Finding the Fourth Proportional to 47,905.04, 66,089.08 and 28,519.98

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Solution

The fourth proportional to 47,905.04, 66,089.08 and 28,519.98 is: 39,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,905.04 : 66,089.08 = 28,519.98 : x
  2. Step 2: Convert to fraction form
    47,905.04/66,089.08 = 28,519.98/x
  3. Step 3: Cross multiply
    47,905.04x = 66,089.08 × 28,519.98
  4. Step 4: Simplify right side
    47,905.04x = 1,884,859,239.82
  5. Step 5: Solve for x
    x = 1,884,859,239.82/47,905.04
  6. Step 6: Final answer
    x = 39,345.74

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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.