Home / 55,713.04-76,885.60-30,564.16

Finding the Fourth Proportional to 55,713.04, 76,885.60 and 30,564.16

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Solution

The fourth proportional to 55,713.04, 76,885.60 and 30,564.16 is: 42,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,713.04 : 76,885.60 = 30,564.16 : x
  2. Step 2: Convert to fraction form
    55,713.04/76,885.60 = 30,564.16/x
  3. Step 3: Cross multiply
    55,713.04x = 76,885.60 × 30,564.16
  4. Step 4: Simplify right side
    55,713.04x = 2,349,943,780.10
  5. Step 5: Solve for x
    x = 2,349,943,780.10/55,713.04
  6. Step 6: Final answer
    x = 42,179.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.