Home / 43,290.31-64,818.16-22,470.07

Finding the Fourth Proportional to 43,290.31, 64,818.16 and 22,470.07

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Solution

The fourth proportional to 43,290.31, 64,818.16 and 22,470.07 is: 33,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290.31 : 64,818.16 = 22,470.07 : x
  2. Step 2: Convert to fraction form
    43,290.31/64,818.16 = 22,470.07/x
  3. Step 3: Cross multiply
    43,290.31x = 64,818.16 × 22,470.07
  4. Step 4: Simplify right side
    43,290.31x = 1,456,468,430.43
  5. Step 5: Solve for x
    x = 1,456,468,430.43/43,290.31
  6. Step 6: Final answer
    x = 33,644.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.