Home / 35,639.60-49,177.73-20,531.07

Finding the Fourth Proportional to 35,639.60, 49,177.73 and 20,531.07

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Solution

The fourth proportional to 35,639.60, 49,177.73 and 20,531.07 is: 28,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,639.60 : 49,177.73 = 20,531.07 : x
  2. Step 2: Convert to fraction form
    35,639.60/49,177.73 = 20,531.07/x
  3. Step 3: Cross multiply
    35,639.60x = 49,177.73 × 20,531.07
  4. Step 4: Simplify right side
    35,639.60x = 1,009,671,468.40
  5. Step 5: Solve for x
    x = 1,009,671,468.40/35,639.60
  6. Step 6: Final answer
    x = 28,330.05

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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.