Home / 56,388.28-84,348.66-42,959.67

Finding the Fourth Proportional to 56,388.28, 84,348.66 and 42,959.67

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Solution

The fourth proportional to 56,388.28, 84,348.66 and 42,959.67 is: 64,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,388.28 : 84,348.66 = 42,959.67 : x
  2. Step 2: Convert to fraction form
    56,388.28/84,348.66 = 42,959.67/x
  3. Step 3: Cross multiply
    56,388.28x = 84,348.66 × 42,959.67
  4. Step 4: Simplify right side
    56,388.28x = 3,623,590,598.54
  5. Step 5: Solve for x
    x = 3,623,590,598.54/56,388.28
  6. Step 6: Final answer
    x = 64,261.41

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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.