Home / 58,378.07-87,579.40-18,932.10

Finding the Fourth Proportional to 58,378.07, 87,579.40 and 18,932.10

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Solution

The fourth proportional to 58,378.07, 87,579.40 and 18,932.10 is: 28,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,378.07 : 87,579.40 = 18,932.10 : x
  2. Step 2: Convert to fraction form
    58,378.07/87,579.40 = 18,932.10/x
  3. Step 3: Cross multiply
    58,378.07x = 87,579.40 × 18,932.10
  4. Step 4: Simplify right side
    58,378.07x = 1,658,062,130.36
  5. Step 5: Solve for x
    x = 1,658,062,130.36/58,378.07
  6. Step 6: Final answer
    x = 28,402.14

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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.