Home / 35,876.08-49,509.18-21,718.84

Finding the Fourth Proportional to 35,876.08, 49,509.18 and 21,718.84

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Solution

The fourth proportional to 35,876.08, 49,509.18 and 21,718.84 is: 29,972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,876.08 : 49,509.18 = 21,718.84 : x
  2. Step 2: Convert to fraction form
    35,876.08/49,509.18 = 21,718.84/x
  3. Step 3: Cross multiply
    35,876.08x = 49,509.18 × 21,718.84
  4. Step 4: Simplify right side
    35,876.08x = 1,075,281,958.95
  5. Step 5: Solve for x
    x = 1,075,281,958.95/35,876.08
  6. Step 6: Final answer
    x = 29,972.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.