Home / 58,215.15-87,323.64-18,235.20

Finding the Fourth Proportional to 58,215.15, 87,323.64 and 18,235.20

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Solution

The fourth proportional to 58,215.15, 87,323.64 and 18,235.20 is: 27,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,215.15 : 87,323.64 = 18,235.20 : x
  2. Step 2: Convert to fraction form
    58,215.15/87,323.64 = 18,235.20/x
  3. Step 3: Cross multiply
    58,215.15x = 87,323.64 × 18,235.20
  4. Step 4: Simplify right side
    58,215.15x = 1,592,364,040.13
  5. Step 5: Solve for x
    x = 1,592,364,040.13/58,215.15
  6. Step 6: Final answer
    x = 27,353.09

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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.