Home / 55,532.64-76,637.28-30,382.40

Finding the Fourth Proportional to 55,532.64, 76,637.28 and 30,382.40

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Solution

The fourth proportional to 55,532.64, 76,637.28 and 30,382.40 is: 41,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,532.64 : 76,637.28 = 30,382.40 : x
  2. Step 2: Convert to fraction form
    55,532.64/76,637.28 = 30,382.40/x
  3. Step 3: Cross multiply
    55,532.64x = 76,637.28 × 30,382.40
  4. Step 4: Simplify right side
    55,532.64x = 2,328,424,495.87
  5. Step 5: Solve for x
    x = 2,328,424,495.87/55,532.64
  6. Step 6: Final answer
    x = 41,928.94

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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.