Home / 56,027.27-77,314.88-30,533.57

Finding the Fourth Proportional to 56,027.27, 77,314.88 and 30,533.57

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Solution

The fourth proportional to 56,027.27, 77,314.88 and 30,533.57 is: 42,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,027.27 : 77,314.88 = 30,533.57 : x
  2. Step 2: Convert to fraction form
    56,027.27/77,314.88 = 30,533.57/x
  3. Step 3: Cross multiply
    56,027.27x = 77,314.88 × 30,533.57
  4. Step 4: Simplify right side
    56,027.27x = 2,360,698,990.28
  5. Step 5: Solve for x
    x = 2,360,698,990.28/56,027.27
  6. Step 6: Final answer
    x = 42,134.82

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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.