Home / 56,792.78-78,374.58-31,300.07

Finding the Fourth Proportional to 56,792.78, 78,374.58 and 31,300.07

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Solution

The fourth proportional to 56,792.78, 78,374.58 and 31,300.07 is: 43,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,792.78 : 78,374.58 = 31,300.07 : x
  2. Step 2: Convert to fraction form
    56,792.78/78,374.58 = 31,300.07/x
  3. Step 3: Cross multiply
    56,792.78x = 78,374.58 × 31,300.07
  4. Step 4: Simplify right side
    56,792.78x = 2,453,129,840.22
  5. Step 5: Solve for x
    x = 2,453,129,840.22/56,792.78
  6. Step 6: Final answer
    x = 43,194.40

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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.