Home / 54,495.10-75,209.95-30,621.25

Finding the Fourth Proportional to 54,495.10, 75,209.95 and 30,621.25

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Solution

The fourth proportional to 54,495.10, 75,209.95 and 30,621.25 is: 42,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,495.10 : 75,209.95 = 30,621.25 : x
  2. Step 2: Convert to fraction form
    54,495.10/75,209.95 = 30,621.25/x
  3. Step 3: Cross multiply
    54,495.10x = 75,209.95 × 30,621.25
  4. Step 4: Simplify right side
    54,495.10x = 2,303,022,681.44
  5. Step 5: Solve for x
    x = 2,303,022,681.44/54,495.10
  6. Step 6: Final answer
    x = 42,261.10

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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.