Home / 75,271.30-112,895.95-21,948.94

Finding the Fourth Proportional to 75,271.30, 112,895.95 and 21,948.94

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Solution

The fourth proportional to 75,271.30, 112,895.95 and 21,948.94 is: 32,920.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,271.30 : 112,895.95 = 21,948.94 : x
  2. Step 2: Convert to fraction form
    75,271.30/112,895.95 = 21,948.94/x
  3. Step 3: Cross multiply
    75,271.30x = 112,895.95 × 21,948.94
  4. Step 4: Simplify right side
    75,271.30x = 2,477,946,856.15
  5. Step 5: Solve for x
    x = 2,477,946,856.15/75,271.30
  6. Step 6: Final answer
    x = 32,920.21

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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.