Home / 56,157.29-77,496.46-30,663.57

Finding the Fourth Proportional to 56,157.29, 77,496.46 and 30,663.57

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Solution

The fourth proportional to 56,157.29, 77,496.46 and 30,663.57 is: 42,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,157.29 : 77,496.46 = 30,663.57 : x
  2. Step 2: Convert to fraction form
    56,157.29/77,496.46 = 30,663.57/x
  3. Step 3: Cross multiply
    56,157.29x = 77,496.46 × 30,663.57
  4. Step 4: Simplify right side
    56,157.29x = 2,376,318,049.30
  5. Step 5: Solve for x
    x = 2,376,318,049.30/56,157.29
  6. Step 6: Final answer
    x = 42,315.40

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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.