Home / 53,182.50-79,740.54-19,885.02

Finding the Fourth Proportional to 53,182.50, 79,740.54 and 19,885.02

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Solution

The fourth proportional to 53,182.50, 79,740.54 and 19,885.02 is: 29,815.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,182.50 : 79,740.54 = 19,885.02 : x
  2. Step 2: Convert to fraction form
    53,182.50/79,740.54 = 19,885.02/x
  3. Step 3: Cross multiply
    53,182.50x = 79,740.54 × 19,885.02
  4. Step 4: Simplify right side
    53,182.50x = 1,585,642,232.71
  5. Step 5: Solve for x
    x = 1,585,642,232.71/53,182.50
  6. Step 6: Final answer
    x = 29,815.11

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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.