Home / 36,155.77-49,894.58-20,240.35

Finding the Fourth Proportional to 36,155.77, 49,894.58 and 20,240.35

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Solution

The fourth proportional to 36,155.77, 49,894.58 and 20,240.35 is: 27,931.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,155.77 : 49,894.58 = 20,240.35 : x
  2. Step 2: Convert to fraction form
    36,155.77/49,894.58 = 20,240.35/x
  3. Step 3: Cross multiply
    36,155.77x = 49,894.58 × 20,240.35
  4. Step 4: Simplify right side
    36,155.77x = 1,009,883,411.63
  5. Step 5: Solve for x
    x = 1,009,883,411.63/36,155.77
  6. Step 6: Final answer
    x = 27,931.46

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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.