Home / 57,065.22-78,752.35-31,571.16

Finding the Fourth Proportional to 57,065.22, 78,752.35 and 31,571.16

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Solution

The fourth proportional to 57,065.22, 78,752.35 and 31,571.16 is: 43,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,065.22 : 78,752.35 = 31,571.16 : x
  2. Step 2: Convert to fraction form
    57,065.22/78,752.35 = 31,571.16/x
  3. Step 3: Cross multiply
    57,065.22x = 78,752.35 × 31,571.16
  4. Step 4: Simplify right side
    57,065.22x = 2,486,303,042.23
  5. Step 5: Solve for x
    x = 2,486,303,042.23/57,065.22
  6. Step 6: Final answer
    x = 43,569.50

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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.