Home / 56,038.36-84,055.12-13,917.48

Finding the Fourth Proportional to 56,038.36, 84,055.12 and 13,917.48

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Solution

The fourth proportional to 56,038.36, 84,055.12 and 13,917.48 is: 20,875.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,038.36 : 84,055.12 = 13,917.48 : x
  2. Step 2: Convert to fraction form
    56,038.36/84,055.12 = 13,917.48/x
  3. Step 3: Cross multiply
    56,038.36x = 84,055.12 × 13,917.48
  4. Step 4: Simplify right side
    56,038.36x = 1,169,835,451.50
  5. Step 5: Solve for x
    x = 1,169,835,451.50/56,038.36
  6. Step 6: Final answer
    x = 20,875.62

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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.