Home / 40,946.88-61,433.28-14,651.20

Finding the Fourth Proportional to 40,946.88, 61,433.28 and 14,651.20

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Solution

The fourth proportional to 40,946.88, 61,433.28 and 14,651.20 is: 21,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,946.88 : 61,433.28 = 14,651.20 : x
  2. Step 2: Convert to fraction form
    40,946.88/61,433.28 = 14,651.20/x
  3. Step 3: Cross multiply
    40,946.88x = 61,433.28 × 14,651.20
  4. Step 4: Simplify right side
    40,946.88x = 900,071,271.94
  5. Step 5: Solve for x
    x = 900,071,271.94/40,946.88
  6. Step 6: Final answer
    x = 21,981.44

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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.