Home / 58,329.16-87,507.64-18,886.28

Finding the Fourth Proportional to 58,329.16, 87,507.64 and 18,886.28

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Solution

The fourth proportional to 58,329.16, 87,507.64 and 18,886.28 is: 28,333.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,329.16 : 87,507.64 = 18,886.28 : x
  2. Step 2: Convert to fraction form
    58,329.16/87,507.64 = 18,886.28/x
  3. Step 3: Cross multiply
    58,329.16x = 87,507.64 × 18,886.28
  4. Step 4: Simplify right side
    58,329.16x = 1,652,693,791.18
  5. Step 5: Solve for x
    x = 1,652,693,791.18/58,329.16
  6. Step 6: Final answer
    x = 28,333.92

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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.