Home / 55,352.02-76,386.90-30,201.52

Finding the Fourth Proportional to 55,352.02, 76,386.90 and 30,201.52

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Solution

The fourth proportional to 55,352.02, 76,386.90 and 30,201.52 is: 41,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,352.02 : 76,386.90 = 30,201.52 : x
  2. Step 2: Convert to fraction form
    55,352.02/76,386.90 = 30,201.52/x
  3. Step 3: Cross multiply
    55,352.02x = 76,386.90 × 30,201.52
  4. Step 4: Simplify right side
    55,352.02x = 2,307,000,488.09
  5. Step 5: Solve for x
    x = 2,307,000,488.09/55,352.02
  6. Step 6: Final answer
    x = 41,678.70

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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.