Home / 58,637.64-87,969.60-18,658.92

Finding the Fourth Proportional to 58,637.64, 87,969.60 and 18,658.92

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Solution

The fourth proportional to 58,637.64, 87,969.60 and 18,658.92 is: 27,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,637.64 : 87,969.60 = 18,658.92 : x
  2. Step 2: Convert to fraction form
    58,637.64/87,969.60 = 18,658.92/x
  3. Step 3: Cross multiply
    58,637.64x = 87,969.60 × 18,658.92
  4. Step 4: Simplify right side
    58,637.64x = 1,641,417,728.83
  5. Step 5: Solve for x
    x = 1,641,417,728.83/58,637.64
  6. Step 6: Final answer
    x = 27,992.56

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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.