Home / 53,946.24-80,956-18,885.76

Finding the Fourth Proportional to 53,946.24, 80,956 and 18,885.76

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Solution

The fourth proportional to 53,946.24, 80,956 and 18,885.76 is: 28,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,946.24 : 80,956 = 18,885.76 : x
  2. Step 2: Convert to fraction form
    53,946.24/80,956 = 18,885.76/x
  3. Step 3: Cross multiply
    53,946.24x = 80,956 × 18,885.76
  4. Step 4: Simplify right side
    53,946.24x = 1,528,915,586.56
  5. Step 5: Solve for x
    x = 1,528,915,586.56/53,946.24
  6. Step 6: Final answer
    x = 28,341.47

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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.