Home / 55,580.47-83,370.89-13,460.48

Finding the Fourth Proportional to 55,580.47, 83,370.89 and 13,460.48

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Solution

The fourth proportional to 55,580.47, 83,370.89 and 13,460.48 is: 20,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,580.47 : 83,370.89 = 13,460.48 : x
  2. Step 2: Convert to fraction form
    55,580.47/83,370.89 = 13,460.48/x
  3. Step 3: Cross multiply
    55,580.47x = 83,370.89 × 13,460.48
  4. Step 4: Simplify right side
    55,580.47x = 1,122,212,439.51
  5. Step 5: Solve for x
    x = 1,122,212,439.51/55,580.47
  6. Step 6: Final answer
    x = 20,190.77

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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.