Home / 56,799.23-78,388.76-34,145.55

Finding the Fourth Proportional to 56,799.23, 78,388.76 and 34,145.55

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Solution

The fourth proportional to 56,799.23, 78,388.76 and 34,145.55 is: 47,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,799.23 : 78,388.76 = 34,145.55 : x
  2. Step 2: Convert to fraction form
    56,799.23/78,388.76 = 34,145.55/x
  3. Step 3: Cross multiply
    56,799.23x = 78,388.76 × 34,145.55
  4. Step 4: Simplify right side
    56,799.23x = 2,676,627,409.38
  5. Step 5: Solve for x
    x = 2,676,627,409.38/56,799.23
  6. Step 6: Final answer
    x = 47,124.36

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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.