Home / 55,533.07-76,637.55-30,382.57

Finding the Fourth Proportional to 55,533.07, 76,637.55 and 30,382.57

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Solution

The fourth proportional to 55,533.07, 76,637.55 and 30,382.57 is: 41,928.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,533.07 : 76,637.55 = 30,382.57 : x
  2. Step 2: Convert to fraction form
    55,533.07/76,637.55 = 30,382.57/x
  3. Step 3: Cross multiply
    55,533.07x = 76,637.55 × 30,382.57
  4. Step 4: Simplify right side
    55,533.07x = 2,328,445,727.50
  5. Step 5: Solve for x
    x = 2,328,445,727.50/55,533.07
  6. Step 6: Final answer
    x = 41,928.99

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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.