Home / 48,307.42-72,461.40-21,993.76

Finding the Fourth Proportional to 48,307.42, 72,461.40 and 21,993.76

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Solution

The fourth proportional to 48,307.42, 72,461.40 and 21,993.76 is: 32,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,307.42 : 72,461.40 = 21,993.76 : x
  2. Step 2: Convert to fraction form
    48,307.42/72,461.40 = 21,993.76/x
  3. Step 3: Cross multiply
    48,307.42x = 72,461.40 × 21,993.76
  4. Step 4: Simplify right side
    48,307.42x = 1,593,698,640.86
  5. Step 5: Solve for x
    x = 1,593,698,640.86/48,307.42
  6. Step 6: Final answer
    x = 32,990.76

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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.