Home / 56,056.76-77,359.34-30,563.32

Finding the Fourth Proportional to 56,056.76, 77,359.34 and 30,563.32

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Solution

The fourth proportional to 56,056.76, 77,359.34 and 30,563.32 is: 42,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,056.76 : 77,359.34 = 30,563.32 : x
  2. Step 2: Convert to fraction form
    56,056.76/77,359.34 = 30,563.32/x
  3. Step 3: Cross multiply
    56,056.76x = 77,359.34 × 30,563.32
  4. Step 4: Simplify right side
    56,056.76x = 2,364,358,263.41
  5. Step 5: Solve for x
    x = 2,364,358,263.41/56,056.76
  6. Step 6: Final answer
    x = 42,177.93

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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.