Home / 55,526.95-76,629.00-30,376.45

Finding the Fourth Proportional to 55,526.95, 76,629.00 and 30,376.45

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Solution

The fourth proportional to 55,526.95, 76,629.00 and 30,376.45 is: 41,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,526.95 : 76,629.00 = 30,376.45 : x
  2. Step 2: Convert to fraction form
    55,526.95/76,629.00 = 30,376.45/x
  3. Step 3: Cross multiply
    55,526.95x = 76,629.00 × 30,376.45
  4. Step 4: Simplify right side
    55,526.95x = 2,327,717,062.99
  5. Step 5: Solve for x
    x = 2,327,717,062.99/55,526.95
  6. Step 6: Final answer
    x = 41,920.49

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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.