Home / 51,772.10-77,544.32-42,785.58

Finding the Fourth Proportional to 51,772.10, 77,544.32 and 42,785.58

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Solution

The fourth proportional to 51,772.10, 77,544.32 and 42,785.58 is: 64,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,772.10 : 77,544.32 = 42,785.58 : x
  2. Step 2: Convert to fraction form
    51,772.10/77,544.32 = 42,785.58/x
  3. Step 3: Cross multiply
    51,772.10x = 77,544.32 × 42,785.58
  4. Step 4: Simplify right side
    51,772.10x = 3,317,778,900.77
  5. Step 5: Solve for x
    x = 3,317,778,900.77/51,772.10
  6. Step 6: Final answer
    x = 64,084.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.