Home / 55,440.04-83,158.86-18,000.04

Finding the Fourth Proportional to 55,440.04, 83,158.86 and 18,000.04

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Solution

The fourth proportional to 55,440.04, 83,158.86 and 18,000.04 is: 26,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440.04 : 83,158.86 = 18,000.04 : x
  2. Step 2: Convert to fraction form
    55,440.04/83,158.86 = 18,000.04/x
  3. Step 3: Cross multiply
    55,440.04x = 83,158.86 × 18,000.04
  4. Step 4: Simplify right side
    55,440.04x = 1,496,862,806.35
  5. Step 5: Solve for x
    x = 1,496,862,806.35/55,440.04
  6. Step 6: Final answer
    x = 26,999.67

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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.