Home / 35,784.24-49,378.05-19,864.77

Finding the Fourth Proportional to 35,784.24, 49,378.05 and 19,864.77

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Solution

The fourth proportional to 35,784.24, 49,378.05 and 19,864.77 is: 27,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,784.24 : 49,378.05 = 19,864.77 : x
  2. Step 2: Convert to fraction form
    35,784.24/49,378.05 = 19,864.77/x
  3. Step 3: Cross multiply
    35,784.24x = 49,378.05 × 19,864.77
  4. Step 4: Simplify right side
    35,784.24x = 980,883,606.30
  5. Step 5: Solve for x
    x = 980,883,606.30/35,784.24
  6. Step 6: Final answer
    x = 27,411.05

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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.