Home / 55,402.70-76,455.93-30,252.20

Finding the Fourth Proportional to 55,402.70, 76,455.93 and 30,252.20

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Solution

The fourth proportional to 55,402.70, 76,455.93 and 30,252.20 is: 41,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,402.70 : 76,455.93 = 30,252.20 : x
  2. Step 2: Convert to fraction form
    55,402.70/76,455.93 = 30,252.20/x
  3. Step 3: Cross multiply
    55,402.70x = 76,455.93 × 30,252.20
  4. Step 4: Simplify right side
    55,402.70x = 2,312,959,703.27
  5. Step 5: Solve for x
    x = 2,312,959,703.27/55,402.70
  6. Step 6: Final answer
    x = 41,748.14

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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.