Home / 51,526.08-77,211.36-40,406.40

Finding the Fourth Proportional to 51,526.08, 77,211.36 and 40,406.40

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Solution

The fourth proportional to 51,526.08, 77,211.36 and 40,406.40 is: 60,548.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,526.08 : 77,211.36 = 40,406.40 : x
  2. Step 2: Convert to fraction form
    51,526.08/77,211.36 = 40,406.40/x
  3. Step 3: Cross multiply
    51,526.08x = 77,211.36 × 40,406.40
  4. Step 4: Simplify right side
    51,526.08x = 3,119,833,096.70
  5. Step 5: Solve for x
    x = 3,119,833,096.70/51,526.08
  6. Step 6: Final answer
    x = 60,548.62

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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.