Home / 55,638.59-83,457.89-13,518.46

Finding the Fourth Proportional to 55,638.59, 83,457.89 and 13,518.46

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Solution

The fourth proportional to 55,638.59, 83,457.89 and 13,518.46 is: 20,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,638.59 : 83,457.89 = 13,518.46 : x
  2. Step 2: Convert to fraction form
    55,638.59/83,457.89 = 13,518.46/x
  3. Step 3: Cross multiply
    55,638.59x = 83,457.89 × 13,518.46
  4. Step 4: Simplify right side
    55,638.59x = 1,128,221,662.77
  5. Step 5: Solve for x
    x = 1,128,221,662.77/55,638.59
  6. Step 6: Final answer
    x = 20,277.68

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1.5x scale

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.