Home / 43,437.06-65,158.02-12,271.50

Finding the Fourth Proportional to 43,437.06, 65,158.02 and 12,271.50

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Solution

The fourth proportional to 43,437.06, 65,158.02 and 12,271.50 is: 18,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,437.06 : 65,158.02 = 12,271.50 : x
  2. Step 2: Convert to fraction form
    43,437.06/65,158.02 = 12,271.50/x
  3. Step 3: Cross multiply
    43,437.06x = 65,158.02 × 12,271.50
  4. Step 4: Simplify right side
    43,437.06x = 799,586,642.43
  5. Step 5: Solve for x
    x = 799,586,642.43/43,437.06
  6. Step 6: Final answer
    x = 18,407.94

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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.