Home / 55,207.32-76,153.74-39,056.56

Finding the Fourth Proportional to 55,207.32, 76,153.74 and 39,056.56

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Solution

The fourth proportional to 55,207.32, 76,153.74 and 39,056.56 is: 53,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,207.32 : 76,153.74 = 39,056.56 : x
  2. Step 2: Convert to fraction form
    55,207.32/76,153.74 = 39,056.56/x
  3. Step 3: Cross multiply
    55,207.32x = 76,153.74 × 39,056.56
  4. Step 4: Simplify right side
    55,207.32x = 2,974,303,115.53
  5. Step 5: Solve for x
    x = 2,974,303,115.53/55,207.32
  6. Step 6: Final answer
    x = 53,875.16

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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.