Home / 56,157.54-77,496.80-30,663.82

Finding the Fourth Proportional to 56,157.54, 77,496.80 and 30,663.82

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Solution

The fourth proportional to 56,157.54, 77,496.80 and 30,663.82 is: 42,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,157.54 : 77,496.80 = 30,663.82 : x
  2. Step 2: Convert to fraction form
    56,157.54/77,496.80 = 30,663.82/x
  3. Step 3: Cross multiply
    56,157.54x = 77,496.80 × 30,663.82
  4. Step 4: Simplify right side
    56,157.54x = 2,376,347,925.78
  5. Step 5: Solve for x
    x = 2,376,347,925.78/56,157.54
  6. Step 6: Final answer
    x = 42,315.74

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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.