Home / 58,328.09-87,499.35-20,892.18

Finding the Fourth Proportional to 58,328.09, 87,499.35 and 20,892.18

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Solution

The fourth proportional to 58,328.09, 87,499.35 and 20,892.18 is: 31,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,328.09 : 87,499.35 = 20,892.18 : x
  2. Step 2: Convert to fraction form
    58,328.09/87,499.35 = 20,892.18/x
  3. Step 3: Cross multiply
    58,328.09x = 87,499.35 × 20,892.18
  4. Step 4: Simplify right side
    58,328.09x = 1,828,052,170.08
  5. Step 5: Solve for x
    x = 1,828,052,170.08/58,328.09
  6. Step 6: Final answer
    x = 31,340.85

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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.