Home / 51,607.36-71,218.74-28,637.58

Finding the Fourth Proportional to 51,607.36, 71,218.74 and 28,637.58

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Solution

The fourth proportional to 51,607.36, 71,218.74 and 28,637.58 is: 39,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,607.36 : 71,218.74 = 28,637.58 : x
  2. Step 2: Convert to fraction form
    51,607.36/71,218.74 = 28,637.58/x
  3. Step 3: Cross multiply
    51,607.36x = 71,218.74 × 28,637.58
  4. Step 4: Simplify right side
    51,607.36x = 2,039,532,364.25
  5. Step 5: Solve for x
    x = 2,039,532,364.25/51,607.36
  6. Step 6: Final answer
    x = 39,520.18

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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.