Home / 56,307.76-77,702.36-33,659.21

Finding the Fourth Proportional to 56,307.76, 77,702.36 and 33,659.21

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Solution

The fourth proportional to 56,307.76, 77,702.36 and 33,659.21 is: 46,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,307.76 : 77,702.36 = 33,659.21 : x
  2. Step 2: Convert to fraction form
    56,307.76/77,702.36 = 33,659.21/x
  3. Step 3: Cross multiply
    56,307.76x = 77,702.36 × 33,659.21
  4. Step 4: Simplify right side
    56,307.76x = 2,615,400,078.70
  5. Step 5: Solve for x
    x = 2,615,400,078.70/56,307.76
  6. Step 6: Final answer
    x = 46,448.31

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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.