Home / 56,122.61-77,446.76-30,628.33

Finding the Fourth Proportional to 56,122.61, 77,446.76 and 30,628.33

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Solution

The fourth proportional to 56,122.61, 77,446.76 and 30,628.33 is: 42,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,122.61 : 77,446.76 = 30,628.33 : x
  2. Step 2: Convert to fraction form
    56,122.61/77,446.76 = 30,628.33/x
  3. Step 3: Cross multiply
    56,122.61x = 77,446.76 × 30,628.33
  4. Step 4: Simplify right side
    56,122.61x = 2,372,064,922.71
  5. Step 5: Solve for x
    x = 2,372,064,922.71/56,122.61
  6. Step 6: Final answer
    x = 42,265.76

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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.