Home / 56,396.65-77,823.75-30,902.71

Finding the Fourth Proportional to 56,396.65, 77,823.75 and 30,902.71

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Solution

The fourth proportional to 56,396.65, 77,823.75 and 30,902.71 is: 42,643.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,396.65 : 77,823.75 = 30,902.71 : x
  2. Step 2: Convert to fraction form
    56,396.65/77,823.75 = 30,902.71/x
  3. Step 3: Cross multiply
    56,396.65x = 77,823.75 × 30,902.71
  4. Step 4: Simplify right side
    56,396.65x = 2,404,964,388.24
  5. Step 5: Solve for x
    x = 2,404,964,388.24/56,396.65
  6. Step 6: Final answer
    x = 42,643.75

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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.