Home / 55,824.96-77,038.40-30,674.44

Finding the Fourth Proportional to 55,824.96, 77,038.40 and 30,674.44

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Solution

The fourth proportional to 55,824.96, 77,038.40 and 30,674.44 is: 42,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,824.96 : 77,038.40 = 30,674.44 : x
  2. Step 2: Convert to fraction form
    55,824.96/77,038.40 = 30,674.44/x
  3. Step 3: Cross multiply
    55,824.96x = 77,038.40 × 30,674.44
  4. Step 4: Simplify right side
    55,824.96x = 2,363,109,778.50
  5. Step 5: Solve for x
    x = 2,363,109,778.50/55,824.96
  6. Step 6: Final answer
    x = 42,330.70

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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.