Home / 58,011.20-87,016.80-18,572.30

Finding the Fourth Proportional to 58,011.20, 87,016.80 and 18,572.30

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Solution

The fourth proportional to 58,011.20, 87,016.80 and 18,572.30 is: 27,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,011.20 : 87,016.80 = 18,572.30 : x
  2. Step 2: Convert to fraction form
    58,011.20/87,016.80 = 18,572.30/x
  3. Step 3: Cross multiply
    58,011.20x = 87,016.80 × 18,572.30
  4. Step 4: Simplify right side
    58,011.20x = 1,616,102,114.64
  5. Step 5: Solve for x
    x = 1,616,102,114.64/58,011.20
  6. Step 6: Final answer
    x = 27,858.45

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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.