Home / 35,530.84-49,038.87-21,191.54

Finding the Fourth Proportional to 35,530.84, 49,038.87 and 21,191.54

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Solution

The fourth proportional to 35,530.84, 49,038.87 and 21,191.54 is: 29,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,530.84 : 49,038.87 = 21,191.54 : x
  2. Step 2: Convert to fraction form
    35,530.84/49,038.87 = 21,191.54/x
  3. Step 3: Cross multiply
    35,530.84x = 49,038.87 × 21,191.54
  4. Step 4: Simplify right side
    35,530.84x = 1,039,209,377.23
  5. Step 5: Solve for x
    x = 1,039,209,377.23/35,530.84
  6. Step 6: Final answer
    x = 29,248.10

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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.