Home / 42,742.66-58,977.64-25,742.84

Finding the Fourth Proportional to 42,742.66, 58,977.64 and 25,742.84

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Solution

The fourth proportional to 42,742.66, 58,977.64 and 25,742.84 is: 35,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,742.66 : 58,977.64 = 25,742.84 : x
  2. Step 2: Convert to fraction form
    42,742.66/58,977.64 = 25,742.84/x
  3. Step 3: Cross multiply
    42,742.66x = 58,977.64 × 25,742.84
  4. Step 4: Simplify right side
    42,742.66x = 1,518,251,925.66
  5. Step 5: Solve for x
    x = 1,518,251,925.66/42,742.66
  6. Step 6: Final answer
    x = 35,520.76

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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.