Home / 53,238.32-79,851.24-13,792.40

Finding the Fourth Proportional to 53,238.32, 79,851.24 and 13,792.40

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Solution

The fourth proportional to 53,238.32, 79,851.24 and 13,792.40 is: 20,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,238.32 : 79,851.24 = 13,792.40 : x
  2. Step 2: Convert to fraction form
    53,238.32/79,851.24 = 13,792.40/x
  3. Step 3: Cross multiply
    53,238.32x = 79,851.24 × 13,792.40
  4. Step 4: Simplify right side
    53,238.32x = 1,101,340,242.58
  5. Step 5: Solve for x
    x = 1,101,340,242.58/53,238.32
  6. Step 6: Final answer
    x = 20,686.98

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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.