Home / 55,588.50-76,712.85-30,437.46

Finding the Fourth Proportional to 55,588.50, 76,712.85 and 30,437.46

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Solution

The fourth proportional to 55,588.50, 76,712.85 and 30,437.46 is: 42,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,588.50 : 76,712.85 = 30,437.46 : x
  2. Step 2: Convert to fraction form
    55,588.50/76,712.85 = 30,437.46/x
  3. Step 3: Cross multiply
    55,588.50x = 76,712.85 × 30,437.46
  4. Step 4: Simplify right side
    55,588.50x = 2,334,944,303.36
  5. Step 5: Solve for x
    x = 2,334,944,303.36/55,588.50
  6. Step 6: Final answer
    x = 42,004.09

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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.