Home / 55,803.06-77,006.70-30,652.56

Finding the Fourth Proportional to 55,803.06, 77,006.70 and 30,652.56

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Solution

The fourth proportional to 55,803.06, 77,006.70 and 30,652.56 is: 42,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,803.06 : 77,006.70 = 30,652.56 : x
  2. Step 2: Convert to fraction form
    55,803.06/77,006.70 = 30,652.56/x
  3. Step 3: Cross multiply
    55,803.06x = 77,006.70 × 30,652.56
  4. Step 4: Simplify right side
    55,803.06x = 2,360,452,492.15
  5. Step 5: Solve for x
    x = 2,360,452,492.15/55,803.06
  6. Step 6: Final answer
    x = 42,299.70

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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.