Home / 40,348.72-60,526.32-12,271.29

Finding the Fourth Proportional to 40,348.72, 60,526.32 and 12,271.29

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Solution

The fourth proportional to 40,348.72, 60,526.32 and 12,271.29 is: 18,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,348.72 : 60,526.32 = 12,271.29 : x
  2. Step 2: Convert to fraction form
    40,348.72/60,526.32 = 12,271.29/x
  3. Step 3: Cross multiply
    40,348.72x = 60,526.32 × 12,271.29
  4. Step 4: Simplify right side
    40,348.72x = 742,736,025.35
  5. Step 5: Solve for x
    x = 742,736,025.35/40,348.72
  6. Step 6: Final answer
    x = 18,407.92

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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.