Home / 55,461.51-76,535.28-30,311.01

Finding the Fourth Proportional to 55,461.51, 76,535.28 and 30,311.01

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Solution

The fourth proportional to 55,461.51, 76,535.28 and 30,311.01 is: 41,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,461.51 : 76,535.28 = 30,311.01 : x
  2. Step 2: Convert to fraction form
    55,461.51/76,535.28 = 30,311.01/x
  3. Step 3: Cross multiply
    55,461.51x = 76,535.28 × 30,311.01
  4. Step 4: Simplify right side
    55,461.51x = 2,319,861,637.43
  5. Step 5: Solve for x
    x = 2,319,861,637.43/55,461.51
  6. Step 6: Final answer
    x = 41,828.32

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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.