Home / 56,384.09-77,806.74-30,885.39

Finding the Fourth Proportional to 56,384.09, 77,806.74 and 30,885.39

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Solution

The fourth proportional to 56,384.09, 77,806.74 and 30,885.39 is: 42,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,384.09 : 77,806.74 = 30,885.39 : x
  2. Step 2: Convert to fraction form
    56,384.09/77,806.74 = 30,885.39/x
  3. Step 3: Cross multiply
    56,384.09x = 77,806.74 × 30,885.39
  4. Step 4: Simplify right side
    56,384.09x = 2,403,091,509.53
  5. Step 5: Solve for x
    x = 2,403,091,509.53/56,384.09
  6. Step 6: Final answer
    x = 42,620.03

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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.