Home / 52,985.04-79,431.48-20,176.08

Finding the Fourth Proportional to 52,985.04, 79,431.48 and 20,176.08

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Solution

The fourth proportional to 52,985.04, 79,431.48 and 20,176.08 is: 30,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,985.04 : 79,431.48 = 20,176.08 : x
  2. Step 2: Convert to fraction form
    52,985.04/79,431.48 = 20,176.08/x
  3. Step 3: Cross multiply
    52,985.04x = 79,431.48 × 20,176.08
  4. Step 4: Simplify right side
    52,985.04x = 1,602,615,895.00
  5. Step 5: Solve for x
    x = 1,602,615,895.00/52,985.04
  6. Step 6: Final answer
    x = 30,246.57

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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.