Home / 35,561.52-49,084.56-21,038.40

Finding the Fourth Proportional to 35,561.52, 49,084.56 and 21,038.40

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Solution

The fourth proportional to 35,561.52, 49,084.56 and 21,038.40 is: 29,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,561.52 : 49,084.56 = 21,038.40 : x
  2. Step 2: Convert to fraction form
    35,561.52/49,084.56 = 21,038.40/x
  3. Step 3: Cross multiply
    35,561.52x = 49,084.56 × 21,038.40
  4. Step 4: Simplify right side
    35,561.52x = 1,032,660,607.10
  5. Step 5: Solve for x
    x = 1,032,660,607.10/35,561.52
  6. Step 6: Final answer
    x = 29,038.71

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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.