Home / 40,248.72-60,352.80-13,946.40

Finding the Fourth Proportional to 40,248.72, 60,352.80 and 13,946.40

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Solution

The fourth proportional to 40,248.72, 60,352.80 and 13,946.40 is: 20,912.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,248.72 : 60,352.80 = 13,946.40 : x
  2. Step 2: Convert to fraction form
    40,248.72/60,352.80 = 13,946.40/x
  3. Step 3: Cross multiply
    40,248.72x = 60,352.80 × 13,946.40
  4. Step 4: Simplify right side
    40,248.72x = 841,704,289.92
  5. Step 5: Solve for x
    x = 841,704,289.92/40,248.72
  6. Step 6: Final answer
    x = 20,912.57

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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.