Home / 52,700.04-78,922.08-28,971.36

Finding the Fourth Proportional to 52,700.04, 78,922.08 and 28,971.36

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Solution

The fourth proportional to 52,700.04, 78,922.08 and 28,971.36 is: 43,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,700.04 : 78,922.08 = 28,971.36 : x
  2. Step 2: Convert to fraction form
    52,700.04/78,922.08 = 28,971.36/x
  3. Step 3: Cross multiply
    52,700.04x = 78,922.08 × 28,971.36
  4. Step 4: Simplify right side
    52,700.04x = 2,286,479,991.63
  5. Step 5: Solve for x
    x = 2,286,479,991.63/52,700.04
  6. Step 6: Final answer
    x = 43,386.68

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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.