Home / 55,368.08-76,407.68-30,217.52

Finding the Fourth Proportional to 55,368.08, 76,407.68 and 30,217.52

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Solution

The fourth proportional to 55,368.08, 76,407.68 and 30,217.52 is: 41,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,368.08 : 76,407.68 = 30,217.52 : x
  2. Step 2: Convert to fraction form
    55,368.08/76,407.68 = 30,217.52/x
  3. Step 3: Cross multiply
    55,368.08x = 76,407.68 × 30,217.52
  4. Step 4: Simplify right side
    55,368.08x = 2,308,850,598.55
  5. Step 5: Solve for x
    x = 2,308,850,598.55/55,368.08
  6. Step 6: Final answer
    x = 41,700.03

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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.