Home / 61,228.34-84,498.89-40,775.33

Finding the Fourth Proportional to 61,228.34, 84,498.89 and 40,775.33

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Solution

The fourth proportional to 61,228.34, 84,498.89 and 40,775.33 is: 56,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,228.34 : 84,498.89 = 40,775.33 : x
  2. Step 2: Convert to fraction form
    61,228.34/84,498.89 = 40,775.33/x
  3. Step 3: Cross multiply
    61,228.34x = 84,498.89 × 40,775.33
  4. Step 4: Simplify right side
    61,228.34x = 3,445,470,124.38
  5. Step 5: Solve for x
    x = 3,445,470,124.38/61,228.34
  6. Step 6: Final answer
    x = 56,272.47

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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.