Home / 56,145.29-77,479.34-30,652.16

Finding the Fourth Proportional to 56,145.29, 77,479.34 and 30,652.16

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Solution

The fourth proportional to 56,145.29, 77,479.34 and 30,652.16 is: 42,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,145.29 : 77,479.34 = 30,652.16 : x
  2. Step 2: Convert to fraction form
    56,145.29/77,479.34 = 30,652.16/x
  3. Step 3: Cross multiply
    56,145.29x = 77,479.34 × 30,652.16
  4. Step 4: Simplify right side
    56,145.29x = 2,374,908,585.72
  5. Step 5: Solve for x
    x = 2,374,908,585.72/56,145.29
  6. Step 6: Final answer
    x = 42,299.34

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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.