Home / 56,802.22-78,400.42-35,308.18

Finding the Fourth Proportional to 56,802.22, 78,400.42 and 35,308.18

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Solution

The fourth proportional to 56,802.22, 78,400.42 and 35,308.18 is: 48,733.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,802.22 : 78,400.42 = 35,308.18 : x
  2. Step 2: Convert to fraction form
    56,802.22/78,400.42 = 35,308.18/x
  3. Step 3: Cross multiply
    56,802.22x = 78,400.42 × 35,308.18
  4. Step 4: Simplify right side
    56,802.22x = 2,768,176,141.44
  5. Step 5: Solve for x
    x = 2,768,176,141.44/56,802.22
  6. Step 6: Final answer
    x = 48,733.59

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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.