Home / 57,721.10-79,655.04-35,054.06

Finding the Fourth Proportional to 57,721.10, 79,655.04 and 35,054.06

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Solution

The fourth proportional to 57,721.10, 79,655.04 and 35,054.06 is: 48,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721.10 : 79,655.04 = 35,054.06 : x
  2. Step 2: Convert to fraction form
    57,721.10/79,655.04 = 35,054.06/x
  3. Step 3: Cross multiply
    57,721.10x = 79,655.04 × 35,054.06
  4. Step 4: Simplify right side
    57,721.10x = 2,792,232,153.19
  5. Step 5: Solve for x
    x = 2,792,232,153.19/57,721.10
  6. Step 6: Final answer
    x = 48,374.55

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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.