Home / 56,017.06-77,307.29-30,866.56

Finding the Fourth Proportional to 56,017.06, 77,307.29 and 30,866.56

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Solution

The fourth proportional to 56,017.06, 77,307.29 and 30,866.56 is: 42,597.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,017.06 : 77,307.29 = 30,866.56 : x
  2. Step 2: Convert to fraction form
    56,017.06/77,307.29 = 30,866.56/x
  3. Step 3: Cross multiply
    56,017.06x = 77,307.29 × 30,866.56
  4. Step 4: Simplify right side
    56,017.06x = 2,386,210,375.66
  5. Step 5: Solve for x
    x = 2,386,210,375.66/56,017.06
  6. Step 6: Final answer
    x = 42,597.92

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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.