Home / 54,465.63-81,657-28,153.59

Finding the Fourth Proportional to 54,465.63, 81,657 and 28,153.59

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Solution

The fourth proportional to 54,465.63, 81,657 and 28,153.59 is: 42,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,465.63 : 81,657 = 28,153.59 : x
  2. Step 2: Convert to fraction form
    54,465.63/81,657 = 28,153.59/x
  3. Step 3: Cross multiply
    54,465.63x = 81,657 × 28,153.59
  4. Step 4: Simplify right side
    54,465.63x = 2,298,937,698.63
  5. Step 5: Solve for x
    x = 2,298,937,698.63/54,465.63
  6. Step 6: Final answer
    x = 42,208.96

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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.