Home / 55,803.18-77,008.92-30,652.68

Finding the Fourth Proportional to 55,803.18, 77,008.92 and 30,652.68

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Solution

The fourth proportional to 55,803.18, 77,008.92 and 30,652.68 is: 42,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,803.18 : 77,008.92 = 30,652.68 : x
  2. Step 2: Convert to fraction form
    55,803.18/77,008.92 = 30,652.68/x
  3. Step 3: Cross multiply
    55,803.18x = 77,008.92 × 30,652.68
  4. Step 4: Simplify right side
    55,803.18x = 2,360,529,781.91
  5. Step 5: Solve for x
    x = 2,360,529,781.91/55,803.18
  6. Step 6: Final answer
    x = 42,300.99

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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.