Home / 55,056.46-75,981.59-30,857.71

Finding the Fourth Proportional to 55,056.46, 75,981.59 and 30,857.71

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Solution

The fourth proportional to 55,056.46, 75,981.59 and 30,857.71 is: 42,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,056.46 : 75,981.59 = 30,857.71 : x
  2. Step 2: Convert to fraction form
    55,056.46/75,981.59 = 30,857.71/x
  3. Step 3: Cross multiply
    55,056.46x = 75,981.59 × 30,857.71
  4. Step 4: Simplify right side
    55,056.46x = 2,344,617,756.75
  5. Step 5: Solve for x
    x = 2,344,617,756.75/55,056.46
  6. Step 6: Final answer
    x = 42,585.70

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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.