Home / 56,020.26-77,304.33-30,869.76

Finding the Fourth Proportional to 56,020.26, 77,304.33 and 30,869.76

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Solution

The fourth proportional to 56,020.26, 77,304.33 and 30,869.76 is: 42,598.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,020.26 : 77,304.33 = 30,869.76 : x
  2. Step 2: Convert to fraction form
    56,020.26/77,304.33 = 30,869.76/x
  3. Step 3: Cross multiply
    56,020.26x = 77,304.33 × 30,869.76
  4. Step 4: Simplify right side
    56,020.26x = 2,386,366,114.06
  5. Step 5: Solve for x
    x = 2,386,366,114.06/56,020.26
  6. Step 6: Final answer
    x = 42,598.27

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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.