Home / 56,407.55-77,821.80-33,747.18

Finding the Fourth Proportional to 56,407.55, 77,821.80 and 33,747.18

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Solution

The fourth proportional to 56,407.55, 77,821.80 and 33,747.18 is: 46,558.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,407.55 : 77,821.80 = 33,747.18 : x
  2. Step 2: Convert to fraction form
    56,407.55/77,821.80 = 33,747.18/x
  3. Step 3: Cross multiply
    56,407.55x = 77,821.80 × 33,747.18
  4. Step 4: Simplify right side
    56,407.55x = 2,626,266,292.52
  5. Step 5: Solve for x
    x = 2,626,266,292.52/56,407.55
  6. Step 6: Final answer
    x = 46,558.77

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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.