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Finding the Fourth Proportional to 58,739.32, 88,114.56 and 19,296.64

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Solution

The fourth proportional to 58,739.32, 88,114.56 and 19,296.64 is: 28,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,739.32 : 88,114.56 = 19,296.64 : x
  2. Step 2: Convert to fraction form
    58,739.32/88,114.56 = 19,296.64/x
  3. Step 3: Cross multiply
    58,739.32x = 88,114.56 × 19,296.64
  4. Step 4: Simplify right side
    58,739.32x = 1,700,314,943.08
  5. Step 5: Solve for x
    x = 1,700,314,943.08/58,739.32
  6. Step 6: Final answer
    x = 28,946.79

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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.