Home / 55,969.02-77,237.16-30,818.52

Finding the Fourth Proportional to 55,969.02, 77,237.16 and 30,818.52

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Solution

The fourth proportional to 55,969.02, 77,237.16 and 30,818.52 is: 42,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,969.02 : 77,237.16 = 30,818.52 : x
  2. Step 2: Convert to fraction form
    55,969.02/77,237.16 = 30,818.52/x
  3. Step 3: Cross multiply
    55,969.02x = 77,237.16 × 30,818.52
  4. Step 4: Simplify right side
    55,969.02x = 2,380,334,960.20
  5. Step 5: Solve for x
    x = 2,380,334,960.20/55,969.02
  6. Step 6: Final answer
    x = 42,529.51

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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.