Home / 55,656.12-76,805.88-30,506.52

Finding the Fourth Proportional to 55,656.12, 76,805.88 and 30,506.52

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Solution

The fourth proportional to 55,656.12, 76,805.88 and 30,506.52 is: 42,099.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,656.12 : 76,805.88 = 30,506.52 : x
  2. Step 2: Convert to fraction form
    55,656.12/76,805.88 = 30,506.52/x
  3. Step 3: Cross multiply
    55,656.12x = 76,805.88 × 30,506.52
  4. Step 4: Simplify right side
    55,656.12x = 2,343,080,114.34
  5. Step 5: Solve for x
    x = 2,343,080,114.34/55,656.12
  6. Step 6: Final answer
    x = 42,099.24

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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.